GB1395225A - Process for the production of a moulded foamed polystyrene article - Google Patents

Process for the production of a moulded foamed polystyrene article

Info

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
Application number
GB3669872A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bucher Guyer AG
Original Assignee
Bucher Guyer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bucher Guyer AG filed Critical Bucher Guyer AG
Publication of GB1395225A publication Critical patent/GB1395225A/en
Expired legal-status Critical Current

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)
GB3669872A 1971-08-13 1972-08-07 Process for the production of a moulded foamed polystyrene article Expired GB1395225A (en)

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)

* Cited by examiner, † Cited by third party
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

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