JPS4876961A - - Google Patents
Info
- Publication number
- JPS4876961A JPS4876961A JP47124469A JP12446972A JPS4876961A JP S4876961 A JPS4876961 A JP S4876961A JP 47124469 A JP47124469 A JP 47124469A JP 12446972 A JP12446972 A JP 12446972A JP S4876961 A JPS4876961 A JP S4876961A
- Authority
- JP
- Japan
- 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
Classifications
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- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/68—Release sheets
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/0415—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the pressure of the material during or after filling of the mould, e.g. by local venting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21265371A | 1971-12-27 | 1971-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4876961A true JPS4876961A (de) | 1973-10-16 |
Family
ID=22791928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47124469A Pending JPS4876961A (de) | 1971-12-27 | 1972-12-13 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS4876961A (de) |
FR (1) | FR2166222A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2875832T3 (es) | 2010-08-13 | 2021-11-11 | Otto Wiesmayer | Procedimiento para la producción de piezas moldeadas de espuma |
FR2989019B1 (fr) * | 2012-04-04 | 2016-09-30 | Plastiques Du Val De Loire | Procede de moulage par injection d'un materiau plastique mousse |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1468203A (fr) * | 1965-02-16 | 1967-02-03 | Kay Mfg Corp | Appareil et procédé de moulage |
FR1450652A (fr) * | 1965-07-01 | 1966-06-24 | Metaux Et Plastiques De La Neu | Procédé pour développer en mousse des résines synthétiques et moule pour sa mise en oeuvre |
US3419648A (en) * | 1965-08-18 | 1968-12-31 | Dow Chemical Co | Method of molding polystyrene |
DE1504276B2 (de) * | 1965-10-12 | 1973-09-06 | Fa. Carl Freudenberg, 6940 Weinheim | Verfahren zum herstellen von schaumformkoerpern aus polyurethan |
CH495207A (de) * | 1969-10-09 | 1970-08-31 | Lonza Ag | Verfahren zur Herstellung von Schaumstoffplatten |
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1972
- 1972-12-13 JP JP47124469A patent/JPS4876961A/ja active Pending
- 1972-12-21 FR FR7247111A patent/FR2166222A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2166222A1 (en) | 1973-08-10 |
FR2166222B1 (de) | 1976-01-30 |