FR2052165A5 - Foam moulding of granular plastics - Google Patents
Foam moulding of granular plasticsInfo
- Publication number
- FR2052165A5 FR2052165A5 FR6925335A FR6925335A FR2052165A5 FR 2052165 A5 FR2052165 A5 FR 2052165A5 FR 6925335 A FR6925335 A FR 6925335A FR 6925335 A FR6925335 A FR 6925335A FR 2052165 A5 FR2052165 A5 FR 2052165A5
- Authority
- FR
- France
- Prior art keywords
- foam moulding
- granular plastics
- moulds
- granular
- plastics
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
- C08J9/232—Forming foamed products by sintering expandable particles
-
- 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
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating 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
- 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
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Moulding By Coating Moulds (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6925335A FR2052165A5 (en) | 1969-07-24 | 1969-07-24 | Foam moulding of granular plastics |
DE19702034340 DE2034340A1 (de) | 1969-07-24 | 1970-07-10 | Verfahren zur Herstellung von Gegenstanden aus granulatformigem Kunststoffmaterial |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6925335A FR2052165A5 (en) | 1969-07-24 | 1969-07-24 | Foam moulding of granular plastics |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2052165A5 true FR2052165A5 (en) | 1971-04-09 |
Family
ID=9037989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6925335A Expired FR2052165A5 (en) | 1969-07-24 | 1969-07-24 | Foam moulding of granular plastics |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2034340A1 (fr) |
FR (1) | FR2052165A5 (fr) |
-
1969
- 1969-07-24 FR FR6925335A patent/FR2052165A5/fr not_active Expired
-
1970
- 1970-07-10 DE DE19702034340 patent/DE2034340A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2034340A1 (de) | 1971-02-04 |
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