GB507610A - Improvements in the moulding of thermo-plastic materials by injection - Google Patents
Improvements in the moulding of thermo-plastic materials by injectionInfo
- Publication number
- GB507610A GB507610A GB3508?/37A GB3508737A GB507610A GB 507610 A GB507610 A GB 507610A GB 3508737 A GB3508737 A GB 3508737A GB 507610 A GB507610 A GB 507610A
- Authority
- GB
- United Kingdom
- Prior art keywords
- insert
- mould
- lugs
- block
- moulding
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14131—Positioning or centering articles in the mould using positioning or centering means forming part of the insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/46—Knobs or handles, push-buttons, grips
- B29L2031/463—Grips, handles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
507,610. Injection moulding. NEW. TON, R. W. Dec. 18, 1937, No. 35087. Convention date, July 1. [Class 87 (ii)] The major part of an article is coated with thermoplastic material, such as cellulose acetate, by forming lugs on the insert or on the mould, placing the insert in the mould, adjustably clamping a minor part which is to be left uncoated so as to tilt the insert and cause the lugs to bear on the mould, and finally injecting material round the insert under pressure. For forming handles for car windows, the mould is in two parts 5, 6 having heating or cooling channels 7. The handle insert 8 is supported on the lugs 11, 12 and has its base 13 clamped by a block 15 actuated by a screw 18 which engages the block 15 below its centre so as to produce a turning force on the insert 8. The insert also has a pin 22 engaging the upper mould half. Heated material is injected by a plunger 27 through a gate 32 situated on the parting line of the mould.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US507610XA | 1937-07-01 | 1937-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB507610A true GB507610A (en) | 1939-06-19 |
Family
ID=21967252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3508?/37A Expired GB507610A (en) | 1937-07-01 | 1937-07-01 | Improvements in the moulding of thermo-plastic materials by injection |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB507610A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1153511B (en) * | 1961-04-12 | 1963-08-29 | Wilhelm Berler | Two-part plastic injection mold for the production of start and end parts for zippers |
| DE1218709B (en) * | 1956-02-13 | 1966-06-08 | Jean Michel Lefebvre | Process for the manufacture of cartridge cases |
-
1937
- 1937-07-01 GB GB3508?/37A patent/GB507610A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1218709B (en) * | 1956-02-13 | 1966-06-08 | Jean Michel Lefebvre | Process for the manufacture of cartridge cases |
| DE1153511B (en) * | 1961-04-12 | 1963-08-29 | Wilhelm Berler | Two-part plastic injection mold for the production of start and end parts for zippers |
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