GB1139020A - Improvements in the manufacture of molded articles - Google Patents
Improvements in the manufacture of molded articlesInfo
- Publication number
- GB1139020A GB1139020A GB4561967A GB4561967A GB1139020A GB 1139020 A GB1139020 A GB 1139020A GB 4561967 A GB4561967 A GB 4561967A GB 4561967 A GB4561967 A GB 4561967A GB 1139020 A GB1139020 A GB 1139020A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plunger
- injected
- tyre
- central
- cavity
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C2045/167—Making multilayered or multicoloured articles injecting the second layer through the first layer
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
Abstract
1,139,020. Moulding plastic materials. E. VERON. 6 Oct., 1967 [13 Oct., 1966], No. 45619/67. Heading B5A. A mould for the manufacture of toy wheels and like circular articles having a peripheral portion and a central body portion, comprises a slidable plunger by means of which different plastics materials may be injected successively into the mould so that in one plunger position a first plastics material is injected into an annular cavity and in a second plunger position another plastics material is injected into a central cavity embraced by the annular cavity. A toy wheel having a tyre portion of relatively soft plastic material and a central portion of a relatively hard plastic material is injection moulded in a mould 1, 2 with a plunger 5 arranged so that with the plunger in the position of Fig. 1, plastic material is injected through passage 13 to a toroidal cavity 9 to form the tyre portion 14, after which the plunger is lowered to the position of Fig. 3 and a second plastic material is injected through passage 12 to a cavity 8 to provide the central portion. A pin 10 provides a central aperture in the wheel. In the apparatus of Figs. 6-9 (not shown), the plunger (18) has a surrounding sleeve (20) which, when the tyre (14) has been moulded of a material of dark colour, is lowered and a second material of white colour is injected to provide an annulus (23) between the tyre and the central portion (15) of the wheel formed when the plunger is lowered and a third material is injected.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR69047831A FR1503998A (en) | 1966-10-13 | 1966-10-13 | Improvements in the manufacture of molded articles in several different materials |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1139020A true GB1139020A (en) | 1969-01-08 |
Family
ID=9694625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4561967A Expired GB1139020A (en) | 1966-10-13 | 1967-10-06 | Improvements in the manufacture of molded articles |
Country Status (4)
Country | Link |
---|---|
ES (1) | ES346256A1 (en) |
FR (1) | FR1503998A (en) |
GB (1) | GB1139020A (en) |
NL (1) | NL6713653A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2137922A (en) * | 1983-04-12 | 1984-10-17 | Wright Barry Corp | Pump impellers and manufacture thereof by co-injection moulding |
GB2185712A (en) * | 1986-01-24 | 1987-07-29 | Cassidy Brothers Limited | Moulding of solid bodies |
AT400124B (en) * | 1992-03-18 | 1995-10-25 | Engel Gmbh Maschbau | Method and injection-moulding device for the in-mould lamination of a film with two plastics |
EP0878689A2 (en) * | 1997-05-16 | 1998-11-18 | Bayerische Mass-Industrie Arno Keller Gmbh | Folding ruler and method of manufacture thereof |
DE102020113838A1 (en) | 2020-05-22 | 2021-11-25 | Siegfried Hofmann Gmbh | Molding tool for processing expandable or expanded plastic particles |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1141519B (en) * | 1979-04-30 | 1986-10-01 | Rca Corp | APPARATUS AND METHOD FOR PRINTING A PREFORM |
FR2462261A1 (en) * | 1979-07-27 | 1981-02-13 | Quillery | Two component injection moulding with semi interlocking melt interface - produced by ram pressure adjacent to the fresh interface |
JPS61108519A (en) * | 1984-11-02 | 1986-05-27 | Yoshida Kogyo Kk <Ykk> | Molding method of multi-color synthetic resin molded part, molding equipment and molded part thereof |
FR2577692B3 (en) * | 1985-02-21 | 1987-05-07 | Optyl Holding | PROTECTIVE EYEWEAR FOR EASILY REPLACING LENSES FOR DIFFERENT USES |
FR2579129B1 (en) * | 1985-03-22 | 1987-08-28 | Cartier Ind | SLIDING INJECTION MOLD FOR THE PRODUCTION OF COMPOSITE PARTS |
DE3540081A1 (en) * | 1985-11-12 | 1987-05-14 | Kunststoff Gmbh Helmbrechts | Plastics injection moulding device |
AU6757187A (en) * | 1986-01-22 | 1987-07-23 | Retief, C.T. | Closure for a container |
DE3703680A1 (en) * | 1987-02-06 | 1988-08-18 | Frank Schellenbach | METHOD FOR PRODUCING A GAS-TIGHT PLASTIC LOCK FOR BOTTLES AND THE LIKE CONTAINERS |
US5447674A (en) * | 1987-06-04 | 1995-09-05 | Schellenbach; Frank | Method for producing a gas-tight plastic closure for containers |
FR2751912B1 (en) * | 1996-07-30 | 1998-10-30 | Gen Plastics | METHOD AND DEVICE FOR OBTAINING A PART IN CYLINDRICAL PLASTIC MATERIAL WITH RELIEF ELEMENTS IN DIFFERENT PLASTIC MATERIAL AND A PART THUS OBTAINED |
-
1966
- 1966-10-13 FR FR69047831A patent/FR1503998A/en not_active Expired
-
1967
- 1967-10-06 GB GB4561967A patent/GB1139020A/en not_active Expired
- 1967-10-06 NL NL6713653A patent/NL6713653A/xx unknown
- 1967-10-09 ES ES346256A patent/ES346256A1/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2137922A (en) * | 1983-04-12 | 1984-10-17 | Wright Barry Corp | Pump impellers and manufacture thereof by co-injection moulding |
GB2185712A (en) * | 1986-01-24 | 1987-07-29 | Cassidy Brothers Limited | Moulding of solid bodies |
GB2185712B (en) * | 1986-01-24 | 1989-11-01 | Cassidy Brothers Limited | Moulding of solid bodies |
AT400124B (en) * | 1992-03-18 | 1995-10-25 | Engel Gmbh Maschbau | Method and injection-moulding device for the in-mould lamination of a film with two plastics |
EP0878689A2 (en) * | 1997-05-16 | 1998-11-18 | Bayerische Mass-Industrie Arno Keller Gmbh | Folding ruler and method of manufacture thereof |
EP0878689A3 (en) * | 1997-05-16 | 1999-08-25 | Bayerische Mass-Industrie Arno Keller Gmbh | Folding ruler and method of manufacture thereof |
DE102020113838A1 (en) | 2020-05-22 | 2021-11-25 | Siegfried Hofmann Gmbh | Molding tool for processing expandable or expanded plastic particles |
Also Published As
Publication number | Publication date |
---|---|
NL6713653A (en) | 1968-04-16 |
FR1503998A (en) | 1967-12-01 |
ES346256A1 (en) | 1969-01-01 |
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