CA2033360C - Rodoirs en plastique moulable par injection - Google Patents
Rodoirs en plastique moulable par injection Download PDFInfo
- Publication number
- CA2033360C CA2033360C CA002033360A CA2033360A CA2033360C CA 2033360 C CA2033360 C CA 2033360C CA 002033360 A CA002033360 A CA 002033360A CA 2033360 A CA2033360 A CA 2033360A CA 2033360 C CA2033360 C CA 2033360C
- Authority
- CA
- Canada
- Prior art keywords
- lap
- lap according
- ribs
- polymer
- rim
- 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.)
- Expired - Lifetime
Links
- 239000004033 plastic Substances 0.000 title abstract description 21
- 229920003023 plastic Polymers 0.000 title abstract description 21
- 238000002347 injection Methods 0.000 title description 10
- 239000007924 injection Substances 0.000 title description 10
- 229920000642 polymer Polymers 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 13
- 229920001577 copolymer Polymers 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims description 13
- -1 polybutylene terephthalate Polymers 0.000 claims description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 9
- 239000011707 mineral Substances 0.000 claims description 9
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 6
- 229920006324 polyoxymethylene Polymers 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 2
- 229930182556 Polyacetal Natural products 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 8
- 238000005498 polishing Methods 0.000 abstract description 6
- 239000007787 solid Substances 0.000 description 11
- 238000000465 moulding Methods 0.000 description 8
- 238000001746 injection moulding Methods 0.000 description 6
- SYJPAKDNFZLSMV-HYXAFXHYSA-N (Z)-2-methylpropanal oxime Chemical compound CC(C)\C=N/O SYJPAKDNFZLSMV-HYXAFXHYSA-N 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000005077 polysulfide Substances 0.000 description 3
- 229920001021 polysulfide Polymers 0.000 description 3
- 150000008117 polysulfides Polymers 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000012764 mineral filler Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 101150034533 ATIC gene Proteins 0.000 description 1
- 241000905957 Channa melasoma Species 0.000 description 1
- 241000490229 Eucephalus Species 0.000 description 1
- 241001508691 Martes zibellina Species 0.000 description 1
- 239000004727 Noryl Substances 0.000 description 1
- 229920001207 Noryl Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004957 Zytel Substances 0.000 description 1
- 229920006102 Zytel® Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003041 laboratory chemical Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46037890A | 1990-01-03 | 1990-01-03 | |
| US460,378 | 1990-01-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2033360A1 CA2033360A1 (fr) | 1991-07-04 |
| CA2033360C true CA2033360C (fr) | 2001-10-30 |
Family
ID=23828473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002033360A Expired - Lifetime CA2033360C (fr) | 1990-01-03 | 1990-12-28 | Rodoirs en plastique moulable par injection |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0436315A3 (fr) |
| JP (1) | JPH04135153A (fr) |
| AU (1) | AU641962B2 (fr) |
| BR (1) | BR9006670A (fr) |
| CA (1) | CA2033360C (fr) |
| ZA (1) | ZA918B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5140782A (en) * | 1990-10-29 | 1992-08-25 | Honore Mecteau | Tool and method for forming a lens |
| US5779529A (en) * | 1996-11-25 | 1998-07-14 | Bizer Industries | Thermoplastic optical lap with reinforced webbing |
| CN112207877B (zh) * | 2020-09-07 | 2022-04-26 | 中国工程物理研究院激光聚变研究中心 | 一种环形抛光中沥青抛光盘表面螺旋槽的生成方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098028A (en) * | 1977-04-21 | 1978-07-04 | American Optical Corporation | Adaptor for lens surfacing tool |
| US4148160A (en) * | 1977-12-05 | 1979-04-10 | American Optical Corporation | Lens surfacing tool and tool holder |
| US4377057A (en) * | 1978-06-14 | 1983-03-22 | Lortone, Inc. | Hand cabbing apparatus |
| US4382803A (en) * | 1980-07-31 | 1983-05-10 | Rowland, Incorporated | Tools for optical lenses |
| DE3712148A1 (de) * | 1986-11-28 | 1988-06-09 | Klaus Kassner | Auflagerkoerper |
| FR2612823B1 (fr) * | 1987-03-27 | 1994-02-25 | Essilor Internal Cie Gle Optique | Outil a depression autoconformable a la surface d'une lentille ophtalmique et utilisable notamment comme tampon applicateur ou polissoir |
-
1990
- 1990-12-07 EP EP19900313344 patent/EP0436315A3/en not_active Withdrawn
- 1990-12-13 AU AU68014/90A patent/AU641962B2/en not_active Expired
- 1990-12-28 JP JP2418100A patent/JPH04135153A/ja active Pending
- 1990-12-28 BR BR909006670A patent/BR9006670A/pt unknown
- 1990-12-28 CA CA002033360A patent/CA2033360C/fr not_active Expired - Lifetime
-
1991
- 1991-01-02 ZA ZA918A patent/ZA918B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU6801490A (en) | 1991-07-04 |
| EP0436315A2 (fr) | 1991-07-10 |
| AU641962B2 (en) | 1993-10-07 |
| ZA918B (en) | 1992-08-26 |
| CA2033360A1 (fr) | 1991-07-04 |
| EP0436315A3 (en) | 1991-12-11 |
| JPH04135153A (ja) | 1992-05-08 |
| BR9006670A (pt) | 1991-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20101228 |