CN201338391Y - Plastic membrane production equipment - Google Patents
Plastic membrane production equipment Download PDFInfo
- Publication number
- CN201338391Y CN201338391Y CNU2008202088534U CN200820208853U CN201338391Y CN 201338391 Y CN201338391 Y CN 201338391Y CN U2008202088534 U CNU2008202088534 U CN U2008202088534U CN 200820208853 U CN200820208853 U CN 200820208853U CN 201338391 Y CN201338391 Y CN 201338391Y
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- Prior art keywords
- set chamber
- production equipment
- film
- cutting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 229920003023 plastic Polymers 0.000 title claims abstract description 50
- 239000004033 plastic Substances 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 239000012528 membrane Substances 0.000 title abstract 6
- 238000005520 cutting process Methods 0.000 claims abstract description 40
- 238000004049 embossing Methods 0.000 claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 26
- 238000007493 shaping process Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 229920000426 Microplastic Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract 1
- 239000012809 cooling fluid Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 238000000465 moulding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to plastic membrane production equipment, comprising an extruding machine which leads plastic particles to be melted into molten plastics, a die head which leads the molten plastics to be extruded in a membrane state with the extruding machine, and a machine frame; an embossing mechanism, a forming mechanism, a cutting mechanism and a rolling mechanism are sequentially arranged on the machine frame. The plastic membrane production equipment has the advantages that: the surface temperature of a format roll drum is uniformly distributed, the manufacturing precision of the membrane is improved, the stability of membrane size is improved, the passing percent of the product is improved, the cost is low, the occupying area is small, the mechanism is simple, the usage is convenient, and the production efficiency is high, thereby being beneficial to automatic flow line production.
Description
Technical field
The utility model relates to a kind of equipment of producing plastic sheeting.
Technical background
Plastic pellet is extruded through plastic extruder again and is film shape through molding die and extrudes, between moulding flower roller and elasticity pressure roller, be rolled into wounded in the battle line, the uniform film of thickness, for plastic sheeting can be peeled off on moulding flower roller with comparalive ease, moulding flower roller must carry out interior cooling, and the uniformity of cooling directly influences the uniformity of the contraction distortion after film is peeled off.The type of cooling of traditional moulding flower roller is the inflow of cooling fluid from the flower roller, flow out the other end, whole roller body becomes to have on the face a tangible thermograde at width, a temperature height appears, a temperature is low, cause the temperature difference on the roller body big, make film that the situation of deflection very easily take place in the contraction process when peeling off, cause occurring defective work.
After the cooling of overmolding flower roller, embossing, film is transported to rolling-up mechanism by connecting gear, the film take-up after will being solidified by rolling-up mechanism.But film can be because variations in temperature and free shrink in the process from the extrusion molding to the rolling, and this contraction process can last till the stage of reusing, thereby causes the instability of film dimensions.
And in traditional film production process, normally earlier the film take-up of solidifying is got up, then the film that winds is arrived the size that needs with cutting machine with film slitting, rolling again again, packing is for using at last.This tradition is cut mode, not only needs to buy independently cutting machine, the cost height, takes up room greatly, and formality is loaded down with trivial details, and complex process and flow process have repeatedly, and production efficiency is low, is unfavorable for the mode of production of automatic production line.
Summary of the invention
For overcoming the above-mentioned shortcoming of prior art, the utility model proposes and a kind ofly make shaping roller surface uniformity of temperature profile, improve that film is made precision, improves film dimensions stability, improved product percent of pass, cost is low, it is little to take up room, mechanism is simple, easy-to-use, production efficiency is high, be beneficial to the plastic sheeting production equipment of automatic production line.
Plastic sheeting production equipment described in the utility model comprises the extruder that plastic pellet is melt into the plastics liquation, described extruder and the die head that the plastics liquation is extruded with filminess, and frame, and described frame is provided with:
To the embossing mechanism that plastic sheeting carries out embossing, cooling, described embossing mechanism comprises the metal rod with embossing part, and described metallic roll two ends are provided with feed tube and drain pipe;
The connecting gear of the aforesaid plastic sheeting of holding;
The wrap-up that plastic sheeting rolling after solidifying is got up;
It is characterized in that: described metal rod inside is provided with inner barrel, described feed tube is communicated with the feed liquor set chamber at the middle part that is positioned at described inner barrel, described drain pipe is gathered the chamber with the fluid in the described inner barrel and is communicated with, and the both sides of described inner barrel are respectively equipped with side liquid set chamber; Be provided with at least one pair of guiding spiral between described inner barrel and the metallic roll, described guiding spiral originates in feed liquor set chamber, ends at the side liquid set chamber of both sides respectively, and described side liquid set chamber is communicated with described fluid set chamber by mozzle respectively;
Be provided with the shaping mechanism that film is heated and finalized the design between described embossing mechanism and the rolling-up mechanism, the connecting gear of film passes described shaping mechanism; Described shaping mechanism comprises heating mechanism, described heating mechanism comprise be evenly distributed on film advance the operation road on heating tube, measure the temperature sensor of described shaping mechanism internal temperature, control the temperature controlling device of described heating tube, stop internal temperature to be delivered to extraneous heat-insulation layer;
Be provided with between described shaping mechanism and the described rolling-up mechanism can be online the cutting mechanism of the plastic sheeting of cutting after solidifying, described cutting mechanism comprises the cutter of at least two cutting films, described cutter is installed on the described frame by guide rail, described cutter is installed in rotation on the described guide rail, described cutter below be provided with cutter cooperate, the cutting support rollers of jacking plastic sheeting.
Further, the guiding spiral that is communicated with the side liquid set chamber of close feed tube is left-handed, and the guiding spiral that is communicated with the side liquid set chamber of close drain pipe is dextrorotation.
Perhaps, the guiding spiral that is communicated with the side liquid set chamber of close feed tube is dextrorotation, and the guiding spiral that is communicated with the side liquid set chamber of close drain pipe is left-handed.
Further, described feed liquor set chamber is adjacent with described fluid set chamber.
Further, meeting to the charging aperture place of supplied materials and the discharging opening of close rolling-up mechanism of described calibrator is respectively equipped with screen.
Further, described cutting mechanism the place ahead is provided with first tension control mechanism of accepting plastics and stretched film supplied materials; Be provided with second tension control mechanism between described cutting mechanism and the rolling-up mechanism.
Further, described tension control mechanism comprises tension rollers, and an end of described tension rollers is connected with a variable ratio frequency changer speed governing decelerator by transmission mechanism.
Further, be provided with first support rollers between described first tension control mechanism and the described cutting mechanism, be provided with second support rollers between described second tension control mechanism and the described cutting mechanism.
Technical conceive of the present utility model is: plastic pellet is melt into the plastics liquation under the effect of extruder, be extruded into described embossing mechanism through die head with the film shape, in the described metallic roll, cooling fluid is transported in the feed liquor set chamber by feed tube earlier, the described cooling fluid guiding spiral of flowing through from feed liquor set chamber again arrives the side liquid set chamber of both sides respectively, cooling fluid in the side liquid of the both sides set chamber arrives fluid set chamber through mozzle, after drain pipe cooling fluid is discharged.Described guiding is spirally wound on the roll body, cooling fluid flow through the guiding spiral then whole roller body is played about cooling, adding the guiding spiral is in pairs, wherein guiding spiral be left-handed, another is then for dextrorotation, making on the roller body makes the temperature difference of whole roller body be not more than 1 ℃ about the temperature unanimity of centrosymmetric symmetric points.Cooling procedure to metallic roll is a lasting process, and fresh cooling fluid is constantly replenished into from feed tube, finishes the cooling fluid of cooling work and constantly discharges from drain pipe.
Film arrives described shaping mechanism after finishing embossing and cooling through embossing mechanism, and the heating mechanism in the described calibrator makes its inside have stationary temperature, makes film thermal finalization, thereby reaches the purpose that makes film dimensions stable.
Film through thermal finalization arrives cutting mechanism, be passed in described first tension control mechanism, first support rollers, cutting support rollers, second support rollers, second tension control mechanism successively, regulate variable ratio frequency changer speed governing decelerator and control the speed of film through first, second tension control mechanism, thereby the tensioning degree of control film can cut cutter smoothly and is positioned at the plastic sheeting that cuts on the support rollers.
Can adjust the position of cutter as required, obtain the plastic sheeting of different in width specification; Also can select the quantity of cutter as required, cut the plastic sheeting that obtains multiple width specifications.Described cutter is rotating to be installed on the described guide rail, and when cutter contacted with described cutting support rollers, cutter cut plastic sheeting; When cutter separated with described cutting support rollers, cutter did not cut plastic sheeting.
The utility model has the advantages that: make shaping roller surface uniformity of temperature profile, improve that film is made precision, improves film dimensions stability, improved product percent of pass, cost is low, it is little to take up room, mechanism is simple, easy-to-use, production efficiency is high, be beneficial to automatic production line production.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model
Fig. 2 is the cutaway view of moulding flower roller of the present utility model
Fig. 3 is the schematic diagram on the inner barrel surface of Fig. 2
Fig. 4 is the schematic diagram of calibrator of the present utility model
Fig. 5 is the schematic diagram of online cutting device of the present utility model
The specific embodiment
With reference to accompanying drawing, further specify the utility model:
Plastic sheeting production equipment described in the utility model comprises the extruder that plastic pellet is melt into the plastics liquation, described extruder and the die head that the plastics liquation is extruded with filminess, and frame, and described frame is provided with:
To the embossing mechanism that plastic sheeting carries out embossing, cooling, described embossing mechanism comprises the metal rod 11 with embossing part, and described metallic roll 11 two ends are provided with feed tube 12 and drain pipe 13;
The connecting gear 2 of the aforesaid plastic sheeting of holding;
The wrap-up 3 that plastic sheeting rolling after solidifying is got up;
Described metal rod 11 inside are provided with inner barrel 14, described feed tube 12 is communicated with the feed liquor set chamber 141 at the middle part that is positioned at described inner barrel 14, described drain pipe 13 is gathered chamber 142 with the fluid in the described inner barrel 14 and is communicated with, and the both sides of described inner barrel 14 are respectively equipped with side liquid set chamber 143; Be provided with at least one pair of guiding spiral 151,152 between described inner barrel 14 and the metallic roll 11, described guiding spiral 151,152 originates in feed liquor set chamber 141, end at the side liquid set chamber 143 of both sides respectively, described side liquid set chamber 143 is communicated with described fluid set chamber 142 by mozzle 144 respectively;
The guiding spiral 151 that is communicated with the side liquid set chamber 143 of close feed tube 12 is for left-handed, and the guiding spiral 152 that is communicated with the side liquid set chamber 143 of close drain pipe 13 is dextrorotation.
The guiding spiral 151 that is communicated with the side liquid set chamber 143 of close feed tube 12 is dextrorotation, and the guiding spiral 152 that is communicated with the side liquid set chamber 143 of close drain pipe 13 is left-handed.
Described feed liquor set chamber 141 is adjacent with described fluid set chamber 142.
On the inlet of described feed tube 12 rotary joint device is housed, on the liquid outlet of described drain pipe 13 rotary joint device is housed.
Be provided with the shaping mechanism 4 that film is heated and finalized the design between described embossing mechanism and the rolling-up mechanism 3, the connecting gear 2 of film passes described shaping mechanism 4; Described shaping mechanism 4 comprises heating mechanism, described heating mechanism comprise be evenly distributed on film advance the operation road on heating tube 41, measure the temperature sensor 42 of described shaping mechanism 4 internal temperatures, control the temperature controlling device of described heating tube 41, stop internal temperature to be delivered to extraneous heat-insulation layer 43;
Meeting to charging aperture 44 places of supplied materials and the discharging opening 45 of close rolling-up mechanism 3 of described calibrator 4 is respectively equipped with screen.
Be provided with between described shaping mechanism 4 and the described rolling-up mechanism 3 can be online the cutting mechanism 5 of the plastic sheeting of cutting after solidifying, described cutting mechanism 52 comprise two the cutting films cutters 521, described cutter 521 is installed on the described frame by guide rail 522, described cutter 521 is installed in rotation on described guide rail 522 two ends, described cutter 521 belows be provided with cutter 521 cooperate, the cutting support rollers 523 of jacking plastic sheeting.
Described cutting mechanism 52 the place aheads are provided with first tension control mechanism 51 of accepting plastics and stretched film supplied materials; Be provided with second tension control mechanism 53 between described cutting mechanism 52 and the rolling-up mechanism.
Described tension control mechanism comprises tension rollers 511, and an end of described tension rollers 511 is connected with a variable ratio frequency changer speed governing decelerator by transmission mechanism.
Be provided with first support rollers 54 between described first tension control mechanism 51 and the described cutting mechanism 52, be provided with second support rollers 55 between described second tension control mechanism 53 and the described cutting mechanism 52.
Technical conceive of the present utility model is: plastic pellet is melt into the plastics liquation under the effect of extruder, be extruded into described embossing mechanism through die head with the film shape, in described 11 metallic roll, cooling fluid is transported in the feed liquor set chamber 141 by feed tube 12 earlier, the described cooling fluid guiding spiral 151,152 of flowing through from feed liquor set chamber 141 again arrives the side liquid set chamber 143 of both sides respectively, cooling fluid in the side liquid of the both sides set chamber 143 arrives fluids set chambeies 142 through mozzle 144, after drain pipe 13 cooling fluid is discharged.Described guiding spiral 151,152 is wrapped on the roll body, cooling fluid flow through the guiding 151,152 on spiral whole roller body is played about cooling, add guiding spiral the 151, the 152nd, in pairs, wherein guiding spiral be left-handed, another is then for dextrorotation, making on the roller body makes the temperature difference of whole roller body be not more than 1 ℃ about the temperature unanimity of centrosymmetric symmetric points.Cooling procedure to metallic roll is a lasting process, and fresh cooling fluid is constantly replenished into from feed tube, finishes the cooling fluid of cooling work and constantly discharges from drain pipe.
Film arrives described shaping mechanism 4 after finishing embossing and cooling through embossing mechanism, and the heating mechanism in the described calibrator 4 makes its inside have stationary temperature, makes film thermal finalization, thereby reaches the purpose that makes film dimensions stable.
Film through thermal finalization arrives cutting mechanism 5, first tension control mechanism 51, first support rollers 54, cutting support rollers 523, second support rollers 55, second tension control mechanism 53, regulate variable ratio frequency changer speed governing decelerator and control the speed of film through first, second tension control mechanism 51,53, thereby the tensioning degree of control film can cut cutter 521 smoothly and is positioned at the plastic sheeting that cuts on the support rollers 523.
Can adjust the position of cutter 521 as required, obtain the plastic sheeting of different in width specification; Be positioned at the cutter 521 at guide rail 522 two ends and can be directly the burr of plastic sheeting be cut, through the film that cutting just directly rolling packed.
Described cutter 521 rotating being installed on the described guide rail 522, when cutter 521 contacted with described cutting support rollers 523, cutter 521 cut plastic sheeting; When cutter 521 separated with described cutting support rollers 523, cutter 521 did not cut plastic sheeting.
The described content of this specification embodiment only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (8)
1, plastic sheeting production equipment described in the utility model comprises the extruder that plastic pellet is melt into the plastics liquation, described extruder and the die head that the plastics liquation is extruded with filminess, and frame, and described frame is provided with:
To the embossing mechanism that plastic sheeting carries out embossing, cooling, described embossing mechanism comprises the metal rod with embossing part, and described metallic roll two ends are provided with feed tube and drain pipe;
The connecting gear of the aforesaid plastic sheeting of holding;
The wrap-up that plastic sheeting rolling after solidifying is got up;
It is characterized in that: described metal rod inside is provided with inner barrel, described feed tube is communicated with the feed liquor set chamber at the middle part that is positioned at described inner barrel, described drain pipe is gathered the chamber with the fluid in the described inner barrel and is communicated with, and the both sides of described inner barrel are respectively equipped with side liquid set chamber; Be provided with at least one pair of guiding spiral between described inner barrel and the metallic roll, described guiding spiral originates in feed liquor set chamber, ends at the side liquid set chamber of both sides respectively, and described side liquid set chamber is communicated with described fluid set chamber by mozzle respectively;
Be provided with the shaping mechanism that film is heated and finalized the design between described embossing mechanism and the rolling-up mechanism, the connecting gear of film passes described shaping mechanism; Described shaping mechanism comprises heating mechanism, described heating mechanism comprise be evenly distributed on film advance the operation road on heating tube, measure the temperature sensor of described shaping mechanism internal temperature, control the temperature controlling device of described heating tube, stop internal temperature to be delivered to extraneous heat-insulation layer;
Be provided with between described shaping mechanism and the described rolling-up mechanism can be online the cutting mechanism of the plastic sheeting of cutting after solidifying, described cutting mechanism comprises the cutter of at least two cutting films, described cutter is installed on the described frame by guide rail, described cutter is installed in rotation on the described guide rail, described cutter below be provided with cutter cooperate, the cutting support rollers of jacking plastic sheeting.
2, the metal rod of film production equipment embossing part as claimed in claim 1 is characterized in that: the guiding spiral that is communicated with the side liquid set chamber of close feed tube is left-handed, and the guiding spiral that is communicated with the side liquid set chamber of close drain pipe is dextrorotation.
3, film production equipment as claimed in claim 1 is characterized in that: the guiding spiral that is communicated with the side liquid set chamber of close feed tube is dextrorotation, and the guiding spiral that is communicated with the side liquid set chamber of close drain pipe is left-handed.
4, as the described film production equipment of one of claim 1-3, it is characterized in that: described feed liquor set chamber is adjacent with described fluid set chamber.
5, film production equipment as claimed in claim 4 is characterized in that: meeting to the charging aperture place of supplied materials and the discharging opening of close rolling-up mechanism of described calibrator is respectively equipped with screen.
6, film production equipment as claimed in claim 5 is characterized in that: described cutting mechanism the place ahead is provided with first tension control mechanism of accepting plastics and stretched film supplied materials; Be provided with second tension control mechanism between described cutting mechanism and the rolling-up mechanism.
7, film production equipment as claimed in claim 6, it is characterized in that: described tension control mechanism comprises tension rollers, an end of described tension rollers is connected with a variable ratio frequency changer speed governing decelerator by transmission mechanism.
8, film production equipment as claimed in claim 7, it is characterized in that: be provided with first support rollers between described first tension control mechanism and the described cutting mechanism, be provided with second support rollers between described second tension control mechanism and the described cutting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202088534U CN201338391Y (en) | 2008-12-31 | 2008-12-31 | Plastic membrane production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202088534U CN201338391Y (en) | 2008-12-31 | 2008-12-31 | Plastic membrane production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201338391Y true CN201338391Y (en) | 2009-11-04 |
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ID=41233928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202088534U Expired - Lifetime CN201338391Y (en) | 2008-12-31 | 2008-12-31 | Plastic membrane production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201338391Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587132A (en) * | 2013-11-13 | 2014-02-19 | 侯兴福 | Double-faced stiffening equipment of flexible plastic extrusion plate, sheet or film |
| CN105965583A (en) * | 2016-07-24 | 2016-09-28 | 嘉兴市耀阳新材料科技有限公司 | Thin film conveying and edge cutting mechanism |
| CN106079581A (en) * | 2016-06-17 | 2016-11-09 | 铜陵方正塑业科技有限公司 | Flattening device for plastic bag |
| CN106078869A (en) * | 2016-06-30 | 2016-11-09 | 浙江汇锋薄膜科技有限公司 | An Improved Decorative Film Cutting Machine |
| CN106113126A (en) * | 2016-06-21 | 2016-11-16 | 胡承平 | A kind of plastic sheeting cutting machine utilizing fine rule to cut |
| CN107983605A (en) * | 2017-11-30 | 2018-05-04 | 东台市环球塑料制品有限公司 | A kind of heatable plastic film device |
| CN109014607A (en) * | 2018-08-21 | 2018-12-18 | 王顺 | A kind of sealed polyethylene plastic production method |
| CN109014608A (en) * | 2018-08-21 | 2018-12-18 | 王顺 | A kind of sealed polyethylene plastic laser cutting device |
| CN109177249A (en) * | 2018-09-27 | 2019-01-11 | 浙江恒成高分子材料有限公司 | Plastic film manufacturing and processing equipment |
-
2008
- 2008-12-31 CN CNU2008202088534U patent/CN201338391Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587132B (en) * | 2013-11-13 | 2015-10-07 | 侯兴福 | A kind of rollable plastic extrusion plate, sheet or the two-sided of film add computer hardware |
| CN103587132A (en) * | 2013-11-13 | 2014-02-19 | 侯兴福 | Double-faced stiffening equipment of flexible plastic extrusion plate, sheet or film |
| CN106079581A (en) * | 2016-06-17 | 2016-11-09 | 铜陵方正塑业科技有限公司 | Flattening device for plastic bag |
| CN106113126A (en) * | 2016-06-21 | 2016-11-16 | 胡承平 | A kind of plastic sheeting cutting machine utilizing fine rule to cut |
| CN106113126B (en) * | 2016-06-21 | 2018-03-30 | 重庆嘉峰彩印有限公司 | A kind of plastic sheeting cutting machine cut using fine rule |
| CN107263581A (en) * | 2016-06-30 | 2017-10-20 | 浙江汇锋薄膜科技有限公司 | A kind of band determines the decorating film cutting machine of device |
| CN106078869A (en) * | 2016-06-30 | 2016-11-09 | 浙江汇锋薄膜科技有限公司 | An Improved Decorative Film Cutting Machine |
| CN106078869B (en) * | 2016-06-30 | 2017-10-24 | 浙江汇锋薄膜科技有限公司 | An Improved Decorative Film Cutting Machine |
| CN105965583A (en) * | 2016-07-24 | 2016-09-28 | 嘉兴市耀阳新材料科技有限公司 | Thin film conveying and edge cutting mechanism |
| CN107983605A (en) * | 2017-11-30 | 2018-05-04 | 东台市环球塑料制品有限公司 | A kind of heatable plastic film device |
| CN109014607A (en) * | 2018-08-21 | 2018-12-18 | 王顺 | A kind of sealed polyethylene plastic production method |
| CN109014608A (en) * | 2018-08-21 | 2018-12-18 | 王顺 | A kind of sealed polyethylene plastic laser cutting device |
| CN109014607B (en) * | 2018-08-21 | 2020-06-05 | 雅科薄膜（东莞）有限公司 | Production method of polyethylene plastic film |
| CN109177249A (en) * | 2018-09-27 | 2019-01-11 | 浙江恒成高分子材料有限公司 | Plastic film manufacturing and processing equipment |
| CN109177249B (en) * | 2018-09-27 | 2023-09-12 | 浙江恒成高分子材料有限公司 | Plastic film production and processing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HANGZHOU FIRST PHOTOVOLTAIC MATERIALS CO., LTD. Free format text: FORMER NAME: HANGZHOU FIRST HOT MELT ADHESIVE FILM CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 311300 Zhejiang city of Ling'an Province Jincheng Street Bao Jin Road No. 283 Patentee after: Hangzhou First PV Material Co., Ltd. Address before: 311300 Zhejiang city of Ling'an Province Jincheng Street Bao Jin Road No. 283 Patentee before: Hangzhou First Hot-melt Adhesive Film Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou Foster PV Material Co., Ltd. Assignor: Hangzhou First PV Material Co., Ltd. Contract record no.: 2011990000407 Denomination of utility model: Shaping device of plastic thin film production equipment and plastic thin film shaping method Granted publication date: 20091104 License type: Common License Record date: 20110531 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091104 |