IT942559B - Procedimento per la produzione di corpi di materiale espanso con zone di diversa densita e corpi di materiale espanso prodotti secondo tale procedimento - Google Patents
Procedimento per la produzione di corpi di materiale espanso con zone di diversa densita e corpi di materiale espanso prodotti secondo tale procedimentoInfo
- Publication number
- IT942559B IT942559B IT3117271A IT3117271A IT942559B IT 942559 B IT942559 B IT 942559B IT 3117271 A IT3117271 A IT 3117271A IT 3117271 A IT3117271 A IT 3117271A IT 942559 B IT942559 B IT 942559B
- Authority
- IT
- Italy
- Prior art keywords
- bodies
- procedure
- expanded material
- zones
- production
- Prior art date
Links
- 239000000463 material Substances 0.000 title 2
- 238000000034 method Methods 0.000 title 2
- 238000004519 manufacturing process Methods 0.000 title 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
- 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
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/1209—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements by impregnating a preformed part, e.g. a porous lining
-
- 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
-
- 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
- B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702056650 DE2056650A1 (de) | 1970-11-18 | 1970-11-18 | Verfahren zum Herstellen von Schaum stoffkorpern mit Zonen unterschiedlicher Dichte und nach dem Verfahren hergestellter Schaumstoffkorper |
Publications (1)
Publication Number | Publication Date |
---|---|
IT942559B true IT942559B (it) | 1973-04-02 |
Family
ID=5788427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT3117271A IT942559B (it) | 1970-11-18 | 1971-11-16 | Procedimento per la produzione di corpi di materiale espanso con zone di diversa densita e corpi di materiale espanso prodotti secondo tale procedimento |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE775437A (is") |
DE (1) | DE2056650A1 (is") |
FR (1) | FR2115240A1 (is") |
GB (1) | GB1338944A (is") |
IT (1) | IT942559B (is") |
NL (1) | NL7115930A (is") |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55150333A (en) * | 1979-05-11 | 1980-11-22 | Nisshinbo Ind Inc | Manufacturing of fiber reinforced resin foaming body |
DE3901769A1 (de) * | 1989-01-21 | 1990-07-26 | Bbs Autoteile | Geschaeumtes bauteil |
-
1970
- 1970-11-18 DE DE19702056650 patent/DE2056650A1/de active Pending
-
1971
- 1971-11-16 IT IT3117271A patent/IT942559B/it active
- 1971-11-16 GB GB5311871A patent/GB1338944A/en not_active Expired
- 1971-11-17 BE BE775437A patent/BE775437A/xx unknown
- 1971-11-18 NL NL7115930A patent/NL7115930A/xx unknown
- 1971-11-18 FR FR7141336A patent/FR2115240A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2115240A1 (is") | 1972-07-07 |
DE2056650A1 (de) | 1972-05-25 |
GB1338944A (en) | 1973-11-28 |
BE775437A (is") | 1972-03-16 |
NL7115930A (is") | 1972-05-23 |
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