GB2232398A - Transfer jaw mechanism for a glassware forming machine - Google Patents
Transfer jaw mechanism for a glassware forming machine Download PDFInfo
- Publication number
- GB2232398A GB2232398A GB8911186A GB8911186A GB2232398A GB 2232398 A GB2232398 A GB 2232398A GB 8911186 A GB8911186 A GB 8911186A GB 8911186 A GB8911186 A GB 8911186A GB 2232398 A GB2232398 A GB 2232398A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- piston
- station
- tong
- parison
- Prior art date
- 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.)
- Withdrawn
Links
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000006060 molten glass Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000007598 dipping method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/30—Details of blowing glass; Use of materials for the moulds
- C03B9/44—Means for discharging combined with glass-blowing machines, e.g. take-outs
- C03B9/447—Means for the removal of glass articles from the blow-mould, e.g. take-outs
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
A transfer jaw mechanism for use in a glassware forming machine comprises:- (i) a device comprising a first cylinder 1 carried by a support arm 2 on a transfer carriage, and a piston 4 reciprocable within the cylinder 1; (ii) a second device comprising a second cylinder 7 mounted to the piston 4 coaxially with the cylinder 1 and reciprocable with the piston 4 within the cylinder 1, a second piston 8 reciprocable within the second cylinder 7, and a hollow piston rod 9 mounted to the second piston 8; and (iii) a tong support and actuating mechanism carried by the piston rod 9, which comprises a third cylinder 18 mounted to the piston rod 9, and a third piston 22 reciprocable within the cylinder 18, a tong support 26, 27, 28 carried by the cylinder 18, and operable on reciprocation of piston 22 to open and close tongs 21 via tong holders 20. <IMAGE>
Description
TRANSFER JAW MECHANISM FOR A GLASSWARE FORMING MACHINE
This invention relates to a transfer jaw mechanism for use in a glassware forming machine and to a glassware forming machine including such a transfer jaw mechanism.
A transfer jaw mechanism according to the present invention has particular application as part of an intermediate transfer means in a three station glassware forming machine.
U.S. Patent No. 4,255,178 discloses a glassware forming machine having three stations, namely a blank station at which parisons are formed, an intermediate station at which re-heating of the parisons takes place and a blow station at which the parisons are formed into articles of glassware. Three independent transfer means are provided for moving parisons from the blank station to the intermediate station, for moving parisons after re-heating from the intermediate station to the blow station, and for taking out a formed glassware article from the blow station to a deadplate.
In our co-pending European Patent Application
No. 0 292 227, there is described a method of improving the strength of a glassware article in which the outer surface of a parison is treated during a re-heating step at the intermediate station in a manner which will cause the glass in the outer surface layer of the formed glassware article to be in a state of compression.
The treatment during the re-heating of the parison at the intermediate station may be an application of a glaze, for example by dipping the parison into a bath of molten glass or a fluidised bed containing powdered glaze, or a chemical treatment with, for example, active gases.
According to the present invention there is provided a transfer jaw mechanism for use in a glassware forming machine, the transfer jaw mechanism comprising first piston and cylinder means, second piston and cylinder means, the cylinder of the second piston and cylinder means being mounted to the piston of the first piston and cylinder means and being reciprocable therewith, a piston rod connected to the piston of the second piston and cylinder means, the piston rod extending beyond the cylinder of the second piston and cylinder means in a first direction, a tong supporting and actuating mechanism carried by the piston rod beyond the cylinder of the second piston and cylinder means in the first direction, and tong members held by the tong supporting and actuating mechanism, wherein the first piston and cylinder means is actuatable to move the tong supporting and actuating mechanism in the first direction to a first position, and wherein subsequent actuation of the second piston and cylinder means causes the tong supporting and actuating mechanism to be moved further in the first direction to a second position.
A transfer jaw mechanism according to the present invention may be utilised for the step of dipping the parison at the intermediate station as well as for the usual functions of engaging and supporting the parison while the intermediate transfer means, of which the transfer jaw mechanism is a part, moves the parison from the intermediate station to the blow station.
Further in accordance with the present invention therefore there is provided a glassware forming machine which comprises a blank station at which a parison is formed from a gob of molten glass, an intermediate station at which the parison is treated, a blow station at which an article of glassware is formed from the treated parison, a first transfer means for moving the parison from the blank station to. the intermediate station, a second transfer means for moving the treated parison from the intermediate station to the blow station, and a third transfer means for taking out an article of glassware from the blow station, wherein the second transfer means includes a transfer jaw mechanism according to the present invention in which, when the transfer jaw mechanism is at the intermediate station, the first piston and cylinder means is actuatable to lower the tong supporting and actuating mechanism to the first position in which the tong members may engage the parison, and the second piston and cylinder means is actuatable to lower the tong supporting and actuating mechanism to the second position for treatment of the parison held thereby.
According to the preferred embodiment of the present invention which will be described there is provided a transfer jaw mechanism for use in a glassware forming machine which comprises:
(i) a first piston and cylinder device which
comprises:
a) a first cylinder adapted to be carried
by an arm on a transfer carriage, and
b) a first piston reciprocable within the
first cylinder;
(ii) a second piston and cylinder device comprising:
a) a second cylinder mounted to the first
piston substantially coaxially with the
first cylinder and reciprocable with
the first piston within the first cylinder,
b) a second piston reciprocable within the
second cylinder, and
c) a hollow piston rod mounted to the second
piston; and
(iii) a tong support and actuating mechanism carried
by the piston rod, and comprising:
a) a third piston and cylinder means
comprising:
a third cylinder mounted to the piston
rod, and
a third piston reciprocable within
the third cylinder,
b) a tong support carried by the third
cylinder,
c) a pair of tong holders pivotally connected
to the tong support,
d) a pair of tong members each tong member
being carried by a respective tong holder,
and
e) means connected to the third piston for
closing and opening the tong members
upon reciprocation of the third piston
within the third cylinder.
Advantageously, the transfer jaw mechanism according to the present invention further comprises means including an air duct connected to the third cylinder, said air duct having a horizontal arm, and a vertical air tube mounted on the horizontal arm of the air duct and connected thereto, the vertical air tube being located externally of the first cylinder and substantially parallel thereto for delivering actuating air to the third cylinder.
Conveniently a removable spacer is located within the second cylinder for limiting the travel of the second piston within the second cylinder. By changing the removable spacer, the movement of the tong members by the second piston and cylinder device may be adjusted to the position of a treatment container or chamber into which a parison is to be lowered, or the depth to which a parison is moved into such a container or chamber may be altered.
Preferably, the second cylinder further includes a hollow tube mounted coaxially with the second cylinder, the second piston being adapted to slide in sealing engagement with the hollow tube, the hollow piston rod has an aperture through a wall thereof at the junction of the hollow rod with the second piston, and means is provided for connecting air pressure supply means to the interior of the hollow tube for moving the second piston from a lower position in the second cylinder to an upper position therein.
The present invention will be further understood from the following detailed description of a preferred embodiment thereof which is made by way of example with reference to the accompanying drawings in which:
Figure 1 is a cross-sectional view of a transfer jaw mechanism according to the present invention, and
Figure 2 is a side elevatinal view of a glassware forming machine incorporating the transfer jaw mechanism of Figure 1.
Referring to Figure 1 of the accompanying drawings there is shown a transfer jaw mechanism which includes a first cylinder 1 adapted to be mounted to a support arm 2 by adjustable locking nuts 3. As will be described with reference to Figure 2, the support arm 2 is carried on a transfer carriage movable between an intermediate station and a blow station of a three station glassware forming machine.
A first piston 4 is reciprocable within the first cylinder 1 under the action of air pressure introduced into the first cylinder 1 through port 5 or port 6.
The piston 4 is welded to a second cylinder 7 which is substantially coaxial with the first cylinder 1 and which is movable coaxially relative to the first cylinder 1 upon movement of the piston 4 within the first cylinder 1.
A second piston 8 and an associated hollow piston rod 9 are reciprocable within the second cylinder 7 in consequence of air pressure applied to either port 10 or port 11. Port 10 is connected through a cylinder head 12 directly to the interior of the second cylinder 7. Port 11 is connected to a hollow tube 13 mounted in the cylinder head 12, the hollow tube 13 being only marginally shorter in length than the second cylinder 7, the lower end of which, as seen in Figure 1 is closed by cylinder head 14 through which the hollow piston rod 9 extends. A removable spacer 15 is situated within the second cylinder 7 at the lower end of the second cylinder 7 for limiting the travel of the second piston 8 within the second cylinder 7.
The lower end of the hollow piston rod 9 is sealed by a solid plug 16, while an aperture 17 through a wall of the hollow piston rod 9 at a point at or near the junction of piston 8 and piston rod 9 enables air to pass between the interior of the second cylinder 7 below piston 8 and the interior of the hollow piston rod 9.
Mounted to the lower end of hollow piston rod 9 and carried thereby is a third or tong cylinder 18.
Tong cylinder 18 is closed at its lower end by a tong suppport 19 carrying conventional tong holders 20, 20, each with its individual tong member 21. A third piston 22 is movable downwardly in the third or tong cylinder 18 against the action of spring 23 as a result of the application of air pressure to the interior of the tong cylinder 18 above the piston 22, such air pressure being supplied through a vertical air tube 24 and air duct 25. A piston rod 26 of the third piston 22, which is pivotally connected to actuating links 27, 28, causes the tong holders 20, 20 to be pivoted about pin 29 upon movement of the third piston 22 in the tong cylinder 18 to close and open the tong members 21, 21 in known manner.
Vertical air tube 24, which passes through an aperture in a guide block 30 mounted on the support 2, may conveniently be used as an orientation device so that the tong members 21, 21 are orientated in a given position when the transfer jaw mechanism is being set up in the glassware forming machine.
A transfer jaw mechanism according to the present invention has particular application in a three station glassware forming machine to be used for carrying out a treatment of a parison at the intermediate station by dipping the parison into a container which may for example, be a bath of molten glass, a fluidised bed, or an upwardly open chamber containing one or more active gases. Treatment of a parison by dipping in any of these ways may be for the purpose of producing a final glassware article having an outer surface layer of glass which is in a state of compression, as described in our co-pending European Patent Application No. 0 292 227.
One embodiment of a three station glassware forming machine employing a transfer jaw mechanism according to the present invention is illustrated in Figure 2 of the accompanying drawings. The glassware forming machine, which may be an individual section of a multisection glassware forming machine, has three operating stations or areas provided in spaced apart relationship along the longitudinal centre line of the machine, the stations being a first or blank station A, a second or intermediate station B and a third or blow station C.
In this glassware forming machine a gob of molten glass is formed into a parison at station A using a plunger 31 to press the gob in a parison mould, and the parison is then transferred to station B by a first or neck ring transfer means comprising a neck ring structure 32, which runs on guide rails 33, and an actuating piston and cylinder device 34.
At station B the parison is initially transferred from the neck ring structure 32 to support jaws 35 after which the neck ring structure 32 is returned to station A.
An intermediate transfer jaw mechanism 36 which is the transfer jaw mechanism as previously described with reference to Figure 1 is part of a second or intermediate transfer means and is at this time positioned at station
B in the position shown in Figure 2 where the tong members 21 are above the line of travel of the neck ring structure 32 on guide rails 33. Except that the third piston 22 is in its upper position in the tong cylinder 18 and the tong members 21, 21 are consequently open, the parts of transfer jaw mechanism 36 will at this time be at in the positions shown in Figure 1 of the accompanying drawings.
The first action of the transfer jaw mechanism of the present invention is then the application of air pressure to the first cylinder 1 through port 5.
This results in the first piston 4 and the second cylinder 7, which effectively constitutes the piston rod of the first piston 4, being moved downwardly within the first cylinder 1 until the first piston 4 abuts the end wall of the first cylinder 1 adjacent to the port 6. In this position of the first piston 4 and the second cylinder 7, the tong supporting and actuating mechanism is in a first position in which tong members 21, 21 are in position to engage and support an upper bead of a double bead finish on the parison supported in the support jaws 35 (not shown in Figure 1) which are permanently located at the intermediate station.
Actuating air pressure is then applied through the tube 24 and duct 25 to the third or tong cylinder 18 to move the third piston 22 downwardly against the action of spring 23 to the position shown in Figure 1, in which the tong members 21, 21 are closed and the tong members 21, 21 engage the parison finish and take over the support of the parison at the intermediate station when the support jaws are opened.
Air pressure is now applied through port 10 to move the second piston 8 downwardly in the second cylinder 7 until the piston 8 abuts the upper surface of spacer 15.
During this movement the whole tong support and actuating mechanism, including the tong members 21 and the parison supported thereby, is moved downwardly to a second position in which the parison is dipped into a bath 37 of molten glass 38 (Figure 2) permanently located at the intermediate station B. By replacing the spacer 15 by a smaller or a larger spacer, the movement of the second piston 8 in the second cylinder 7 may be adjusted to obtain a desired movement of the parison relative to a molten bath or a fluidised bed or an active gas chamber located at the intermediate station of the three station glassware forming machine.
After a desired period of dip, air pressure is applied through the port 11, the hollow tube 13 and the aperture 17 to cause the second piston 8 to be returned to the position shown in the drawing. At this time an actuating means 39 of a second or intermediate transfer means is operated to move transfer carriage 40 which carries the support arm 2 and the transfer jaw mechanism 36 of the present invention from the intermediate station B to the blow station C where the tong members 21 are opened to transfer the treated parison to a blow mould as a result of removal of the air pressure applied to air tube 24.Once the tong members 21 have released the treated parison, air pressure is applied to port 6 to move piston 4 back to the upper position shown in Figure 1 thus raising the tong members 21 clear of the parison finish before the transfer jaw mechanism 36 is returned from the blow station C to the intermediate station B by the actuating means 39 returning the transfer carriage 40 along guide rails 41.
After forming an article of glassware in a blow mould at station C, a third or take-out transfer means, which includes gripping means 42 and actuating means 43, is operated to move the gripping means 42 and an article of glassware carried thereby from station C to a takeout position over a deadplate (not shown).
A transfer jaw mechanism as herein described and illustrated provides for an extended stroke in which the tong supporting and actuating mechanism is moved to a second position, beyond its first or normal operating position. In this second position a parison held by the tong members 31 may be subjected to any desired treatment for improving the properties of the final glassware article.
Claims (8)
1. A transfer jaw mechanism for use in a glassware forming machine, the transfer jaw mechanism comprising first piston and cylinder means, second piston and cylinder means, the cylinder of the second piston and cylinder means being mounted to the piston of the first piston and cylinder means and being reciprocable therewith, a piston rod connected to the piston of the second piston and cylinder means, the piston rod extending beyond the cylinder of the second piston and cylinder means in a first direction, a tong supporting and actuating mechanism carried by the piston rod beyond the cylinder of the second piston and cylinder means in the first direction, and tong members held by the tong supporting and actuating mechanism, wherein the first piston and cylinder means is actuable to move the tong supporting and actuating mechanism in the first direction to a first position, and wherein subsequent actuation of the second piston and cylinder means causes the tong supporting and actuating mechanism to be moved further in the first direction to a second position.
2. A glassware forming machine which comprises a blank station at which a parison is formed from a gob of molten glass, an intermediate station at which the parison is treated, a blow station at which an article of glassware is formed from the treated parison, a first transfer means for moving the parison from the blank station to the intermediate station, a second transfer means for moving the treated parison from the intermediate station to the blow station, and a third transfer means for taking out an article of glassware from the blow station, wherein the second transfer means includes a transfer jaw mechanism according to Claim 1 in which, when the transfer jaw mechanism is at the intermediate station, the first piston and cylinder means is actuatable to lower the tong supporting and actuating mechanism to the first position in which the tong members may engage the parison, and the second piston and cylinder means is actuatable to lower the tong supporting and actuating mechanism to the second position for treatment of the parison held thereby.
3. A transfer jaw mechanism for use in a glassware forming machine which comprises:
(i) a first piston and cylinder device which
comprises:
a) a first cylinder adapted to be carried
by an arm on a transfer carriage, and
b) a first piston reciprocable within the
first cylinder;
(ii) a second piston and cylinder device comprising:
a) a second cylinder mounted to the first
piston substantially coaxially with the
first cylinder and reciprocable with
the first piston within the first cylinder,
b) a second piston reciprocable within the
second cylinder, and
c) a hollow piston rod mounted to the second
piston; and
(iii) a tong support and actuating mechanism carried
by the piston rod, and comprising:
a) a third piston and cylinder means
comprising:
a third cylinder mounted to the piston
rod, and
a third piston reciprocable within
the third cylinder,
b) a tong support carried by the third
cylinder,
c) a pair of tong holders pivotally connected
to the tong support,
d) a pair of tong members each tong member
being carried by a respective tong holder,
and
e) means connected to the third piston for
closing and opening the tong members
upon reciprocation of the third piston
within the third cylinder.
4. A transfer jaw mechanism according to Claim 3, which further comprises means including an air duct connected to the third cylinder, said air duct having a horizontal arm, and a vertical air tube mounted on the horizontal arm of the air duct and connected thereto, the vertical air tube being located externally of the first cylinder and substantially parallel thereto for delivering actuating air to the third cylinder.
5. A transfer jaw mechanism according to Claim 3 or Claim 4 further comprising a removable spacer located within the second cylinder for limiting the travel of the second piston within the second cylinder.
6. A transfer jaw mechanism according to any one of Claims 3 to 5 wherein the second cylinder further includes a hollow tube mounted coaxially with the second cylinder, the second piston being adapted to slide in sealing engagement with the hollow tube, the hollow piston rod has an aperture through a wall thereof at the junction of the hollow rod with the second piston, and means is provided for connecting air pressure supply means to the interior of the hollow tube for moving the second piston from a lower position in the second cylinder to an upper position therein.
7. A transfer jaw mechanism substantially as hereinbefore described with reference to Figure 1 of the accompanying drawings.
8. A glassware forming machine which comprises three operating stations which are respectively a first station including a blank mould for forming a parison, a second station including a container for materials for treating the outer surface of a parison and a third station including a blow mould for finally shaping an article of glassware, first transfer means including a neck ring structure and actuating means for moving the neck ring structure and a parison held thereby from the first station to the second station, second transfer means including a transfer jaw mechanism according to any one of Claims 3 to 7 for holding a parison, lowering the parison into the container at the second station for treatment of the parison and raising the parison out of the container at the second station, and actuating means for moving the transfer jaw mechanism from the second station to the third station and returning the transfer jaw mechanism from the third station to the second station after release of the treated parison at the third station, and a third transfer means comprising gripping means and actuating means for moving the gripping means between a first position in which the gripping means engages an article of glassware at the third station and a second position in which the gripping means holds the ariticle of glassware at a take-out position beyond the third station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8911186A GB2232398A (en) | 1989-05-16 | 1989-05-16 | Transfer jaw mechanism for a glassware forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8911186A GB2232398A (en) | 1989-05-16 | 1989-05-16 | Transfer jaw mechanism for a glassware forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8911186D0 GB8911186D0 (en) | 1989-07-05 |
| GB2232398A true GB2232398A (en) | 1990-12-12 |
Family
ID=10656796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8911186A Withdrawn GB2232398A (en) | 1989-05-16 | 1989-05-16 | Transfer jaw mechanism for a glassware forming machine |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2232398A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ303523B6 (en) * | 2011-09-21 | 2012-11-07 | Componenta Moravia S. R. O. | Jaw holder of glass article remover, especially container glass remover |
| US8812378B2 (en) | 2004-02-03 | 2014-08-19 | Rtc Industries, Inc. | System for inventory management |
| US9818148B2 (en) | 2013-03-05 | 2017-11-14 | Rtc Industries, Inc. | In-store item alert architecture |
| US10210478B2 (en) | 2004-02-03 | 2019-02-19 | Rtc Industries, Inc. | Continuous display shelf edge label device |
| US10339495B2 (en) | 2004-02-03 | 2019-07-02 | Rtc Industries, Inc. | System for inventory management |
| US10357118B2 (en) | 2013-03-05 | 2019-07-23 | Rtc Industries, Inc. | Systems and methods for merchandizing electronic displays |
| US11109692B2 (en) | 2014-11-12 | 2021-09-07 | Rtc Industries, Inc. | Systems and methods for merchandizing electronic displays |
| US11182738B2 (en) | 2014-11-12 | 2021-11-23 | Rtc Industries, Inc. | System for inventory management |
-
1989
- 1989-05-16 GB GB8911186A patent/GB2232398A/en not_active Withdrawn
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10535216B2 (en) | 2004-02-03 | 2020-01-14 | Rtc Industries, Inc. | System for inventory management |
| US11580812B2 (en) | 2004-02-03 | 2023-02-14 | Rtc Industries, Inc. | System for inventory management |
| US9805539B2 (en) | 2004-02-03 | 2017-10-31 | Rtc Industries, Inc. | System for inventory management |
| US10210478B2 (en) | 2004-02-03 | 2019-02-19 | Rtc Industries, Inc. | Continuous display shelf edge label device |
| US10339495B2 (en) | 2004-02-03 | 2019-07-02 | Rtc Industries, Inc. | System for inventory management |
| US8812378B2 (en) | 2004-02-03 | 2014-08-19 | Rtc Industries, Inc. | System for inventory management |
| US11397914B2 (en) | 2004-02-03 | 2022-07-26 | Rtc Industries, Inc. | Continuous display shelf edge label device |
| CZ303523B6 (en) * | 2011-09-21 | 2012-11-07 | Componenta Moravia S. R. O. | Jaw holder of glass article remover, especially container glass remover |
| US9818148B2 (en) | 2013-03-05 | 2017-11-14 | Rtc Industries, Inc. | In-store item alert architecture |
| US10357118B2 (en) | 2013-03-05 | 2019-07-23 | Rtc Industries, Inc. | Systems and methods for merchandizing electronic displays |
| US10410277B2 (en) | 2013-03-05 | 2019-09-10 | Rtc Industries, Inc. | In-store item alert architecture |
| US12008631B2 (en) | 2013-03-05 | 2024-06-11 | Rtc Industries, Inc. | In-store item alert architecture |
| US11188973B2 (en) | 2013-03-05 | 2021-11-30 | Rtc Industries, Inc. | In-store item alert architecture |
| US11109692B2 (en) | 2014-11-12 | 2021-09-07 | Rtc Industries, Inc. | Systems and methods for merchandizing electronic displays |
| US11468401B2 (en) | 2014-11-12 | 2022-10-11 | Rtc Industries, Inc. | Application system for inventory management |
| US11182738B2 (en) | 2014-11-12 | 2021-11-23 | Rtc Industries, Inc. | System for inventory management |
| US12141743B2 (en) | 2014-11-12 | 2024-11-12 | Rtc Industries, Inc. | System for inventory management |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8911186D0 (en) | 1989-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |