ZM8074A1 - Improvements in or relating to plastic foams - Google Patents

Improvements in or relating to plastic foams

Info

Publication number
ZM8074A1
ZM8074A1 ZM80/74A ZM8074A ZM8074A1 ZM 8074 A1 ZM8074 A1 ZM 8074A1 ZM 80/74 A ZM80/74 A ZM 80/74A ZM 8074 A ZM8074 A ZM 8074A ZM 8074 A1 ZM8074 A1 ZM 8074A1
Authority
ZM
Zambia
Prior art keywords
relating
plastic foams
foams
plastic
Prior art date
Application number
ZM80/74A
Original Assignee
Dunlop Ltd
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 Dunlop Ltd filed Critical Dunlop Ltd
Publication of ZM8074A1 publication Critical patent/ZM8074A1/en

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
    • B29C44/58—Moulds
    • B29C44/586—Moulds with a cavity increasing in size during foaming
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Road Signs Or Road Markings (AREA)
  • Electrotherapy Devices (AREA)
ZM80/74A 1973-05-29 1974-05-21 Improvements in or relating to plastic foams ZM8074A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2543073A GB1425612A (en) 1973-05-29 1973-05-29 Moulding of plastics foam

Publications (1)

Publication Number Publication Date
ZM8074A1 true ZM8074A1 (en) 1974-12-20

Family

ID=10227546

Family Applications (1)

Application Number Title Priority Date Filing Date
ZM80/74A ZM8074A1 (en) 1973-05-29 1974-05-21 Improvements in or relating to plastic foams

Country Status (19)

Country Link
JP (1) JPS5022064A (en)
AR (1) AR199346A1 (en)
BE (1) BE815707A (en)
BR (1) BR7404347D0 (en)
CA (1) CA1021118A (en)
CH (1) CH582056A5 (en)
DE (1) DE2426212A1 (en)
DK (1) DK288874A (en)
ES (1) ES426706A1 (en)
FI (1) FI162074A (en)
FR (1) FR2231503B1 (en)
GB (1) GB1425612A (en)
IE (1) IE39398B1 (en)
IT (1) IT1037060B (en)
NL (1) NL7406809A (en)
NO (1) NO140461C (en)
SE (1) SE402067B (en)
ZA (1) ZA743202B (en)
ZM (1) ZM8074A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666393A (en) * 1986-06-13 1987-05-19 Human Industry Corporation Apparatus for manufacturing polyurethane foam slabs in a batch
GB2291002A (en) * 1994-07-08 1996-01-17 Hoover Universal Apparatus and method for producing blocks of foam
CN111745882A (en) * 2020-06-11 2020-10-09 溧阳市山湖实业有限公司 PU sheet downward moving type foaming production process and production equipment thereof
CN111974938A (en) * 2020-08-27 2020-11-24 杭州欧宸科技有限公司 Full-automatic foam mold forming machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588151A (en) * 1948-09-30 1952-03-04 Gen Electric Apparatus for producing uniform foam structures
US2649620A (en) * 1951-08-01 1953-08-25 Union Carbide & Carbon Corp Casting expanded plastics

Also Published As

Publication number Publication date
FR2231503A1 (en) 1974-12-27
FI162074A (en) 1974-11-30
GB1425612A (en) 1976-02-18
SE402067B (en) 1978-06-19
AU6923274A (en) 1975-11-27
IE39398L (en) 1974-11-29
ZA743202B (en) 1975-05-28
NO140461B (en) 1979-05-28
CH582056A5 (en) 1976-11-30
AR199346A1 (en) 1974-08-23
NL7406809A (en) 1974-12-03
IE39398B1 (en) 1978-09-27
FR2231503B1 (en) 1976-12-24
BR7404347D0 (en) 1975-01-21
IT1037060B (en) 1979-11-10
ES426706A1 (en) 1977-01-01
DK288874A (en) 1975-01-20
CA1021118A (en) 1977-11-22
NO741847L (en) 1974-12-02
BE815707A (en) 1974-09-16
NO140461C (en) 1979-09-05
JPS5022064A (en) 1975-03-08
DE2426212A1 (en) 1974-12-19
SE7407047L (en) 1974-12-02

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