GB1395225A - Process for the production of a moulded foamed polystyrene article - Google Patents
Process for the production of a moulded foamed polystyrene articleInfo
- Publication number
- GB1395225A GB1395225A GB3669872A GB3669872A GB1395225A GB 1395225 A GB1395225 A GB 1395225A GB 3669872 A GB3669872 A GB 3669872A GB 3669872 A GB3669872 A GB 3669872A GB 1395225 A GB1395225 A GB 1395225A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mould
- steam
- article
- aug
- production
- 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
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
- B29K2105/043—Skinned foam
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1193371 | 1971-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1395225A true GB1395225A (en) | 1975-05-21 |
Family
ID=4378280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3669872A Expired GB1395225A (en) | 1971-08-13 | 1972-08-07 | Process for the production of a moulded foamed polystyrene article |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4828060A (de) |
AT (1) | AT327529B (de) |
CH (1) | CH547164A (de) |
DE (1) | DE2236771C3 (de) |
GB (1) | GB1395225A (de) |
SE (1) | SE401337B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5172626A (en) * | 1974-12-17 | 1976-06-23 | Oowada Carbon Kogyo Kk | Boseki oyobi nenshoringu |
JPS5247866A (en) * | 1975-10-15 | 1977-04-16 | Sekisui Plastics | Process for producing thermoplastic resin foam with hard surface |
JPS5472909A (en) * | 1977-11-22 | 1979-06-11 | Nippon Telegr & Teleph Corp <Ntt> | Recording method for program passing trace of electronic switchboard |
JPS5514243A (en) * | 1978-07-18 | 1980-01-31 | Mitsubishi Petrochem Co Ltd | Foaming mold for thermoplastic synthetic resin |
JPS56123159U (de) * | 1980-02-20 | 1981-09-19 | ||
DE3641755A1 (de) * | 1986-12-06 | 1988-06-16 | Wolfgang Weber | Verfahren zur behandlung von formkoerpern aus polystyrol |
-
1971
- 1971-08-13 CH CH1193371A patent/CH547164A/de not_active IP Right Cessation
-
1972
- 1972-07-26 DE DE2236771A patent/DE2236771C3/de not_active Expired
- 1972-07-28 AT AT653772A patent/AT327529B/de not_active IP Right Cessation
- 1972-08-07 GB GB3669872A patent/GB1395225A/en not_active Expired
- 1972-08-08 SE SE7210287A patent/SE401337B/xx unknown
- 1972-08-11 JP JP47080689A patent/JPS4828060A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2236771B2 (de) | 1979-03-15 |
SE401337B (sv) | 1978-05-02 |
DE2236771C3 (de) | 1979-11-08 |
CH547164A (de) | 1974-03-29 |
JPS4828060A (de) | 1973-04-13 |
AT327529B (de) | 1976-02-10 |
DE2236771A1 (de) | 1973-02-22 |
ATA653772A (de) | 1975-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |