GB843443A - Improvements in injection moulding and machines therefor - Google Patents
Improvements in injection moulding and machines thereforInfo
- Publication number
- GB843443A GB843443A GB2482556A GB2482556A GB843443A GB 843443 A GB843443 A GB 843443A GB 2482556 A GB2482556 A GB 2482556A GB 2482556 A GB2482556 A GB 2482556A GB 843443 A GB843443 A GB 843443A
- Authority
- GB
- United Kingdom
- Prior art keywords
- injection moulding
- machines therefor
- therefor
- machines
- article
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/57—Exerting after-pressure on the moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The "follow-up" pressure applied to an injection-moulded article is varied to compensate for the rate of change of shrinkage and cooling of the article. The control device is cam operated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2482556A GB843443A (en) | 1956-08-14 | 1956-08-14 | Improvements in injection moulding and machines therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2482556A GB843443A (en) | 1956-08-14 | 1956-08-14 | Improvements in injection moulding and machines therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
GB843443A true GB843443A (en) | 1960-08-04 |
Family
ID=10217809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2482556A Expired GB843443A (en) | 1956-08-14 | 1956-08-14 | Improvements in injection moulding and machines therefor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB843443A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2476841A1 (en) * | 1980-02-26 | 1981-08-28 | Ibar Jean Pierre | Altering physical or physico:chemical properties of polymers etc. - by combining cooling with other effects such as pressure and vibration |
-
1956
- 1956-08-14 GB GB2482556A patent/GB843443A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2476841A1 (en) * | 1980-02-26 | 1981-08-28 | Ibar Jean Pierre | Altering physical or physico:chemical properties of polymers etc. - by combining cooling with other effects such as pressure and vibration |
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