DE2014311A1 - - Google Patents
Info
- Publication number
- DE2014311A1 DE2014311A1 DE19702014311 DE2014311A DE2014311A1 DE 2014311 A1 DE2014311 A1 DE 2014311A1 DE 19702014311 DE19702014311 DE 19702014311 DE 2014311 A DE2014311 A DE 2014311A DE 2014311 A1 DE2014311 A1 DE 2014311A1
- Authority
- DE
- Germany
- Prior art keywords
- injection
- injection molding
- molding machine
- machine according
- mold 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 claims description 52
- 239000007924 injection Substances 0.000 claims description 52
- 238000001746 injection moulding Methods 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 20
- 238000004049 embossing Methods 0.000 claims description 11
- 239000012778 molding material Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000004323 axial length Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- B29C45/26—Moulds
- B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
-
- 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
-
- 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
- B29L2017/00—Carriers for sound or information
- B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
- B29L2017/003—Records or discs
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)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1570069 | 1969-03-26 | ||
GB62991/69A GB1301095A (en) | 1969-03-26 | 1969-03-26 | Improvements in or relating to the production of gramophone records |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2014311A1 true DE2014311A1 (fr) | 1970-10-15 |
Family
ID=26251481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702014311 Pending DE2014311A1 (fr) | 1969-03-26 | 1970-03-25 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS4836179B1 (fr) |
DE (1) | DE2014311A1 (fr) |
FR (1) | FR2039980A5 (fr) |
NL (1) | NL7003886A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3167483D1 (en) * | 1980-09-05 | 1985-01-10 | Matsushita Electric Ind Co Ltd | A method of producing an information recording disk |
US4372741A (en) * | 1980-10-31 | 1983-02-08 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
US4340353A (en) * | 1980-10-31 | 1982-07-20 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
US4466934A (en) * | 1980-10-31 | 1984-08-21 | Discovision Associates | Hot sprue valve assembly for an injection molding machine |
DE3683491D1 (de) * | 1986-02-26 | 1992-02-27 | Meiki Seisakusho Kk | Formvorrichtung und verfahren zum herstellen von platten mit mittelloch. |
-
1970
- 1970-03-18 NL NL7003886A patent/NL7003886A/xx unknown
- 1970-03-25 FR FR7010755A patent/FR2039980A5/fr not_active Expired
- 1970-03-25 DE DE19702014311 patent/DE2014311A1/de active Pending
- 1970-03-26 JP JP2558070A patent/JPS4836179B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4836179B1 (fr) | 1973-11-01 |
FR2039980A5 (en) | 1971-01-15 |
NL7003886A (fr) | 1970-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OHW | Rejection |