CA1021118A - Thickness adjustment for shaping plastic foam blocks - Google Patents

Thickness adjustment for shaping plastic foam blocks

Info

Publication number: CA1021118A
Authority: CA; Canada
Prior art keywords: plastic foam; thickness adjustment; foam blocks; shaping plastic; shaping
Prior art date: 1973-05-29
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

CA200,521A

Other languages

French (fr)

Other versions

CA200521S (en

Inventor

John E. Marjoram

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.)

Dunlop Ltd

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.)

1973-05-29

Filing date

1974-05-22

Publication date

1977-11-22

1974-05-22 Application filed by Dunlop Ltd filed Critical Dunlop Ltd

1977-11-22 Application granted granted Critical

1977-11-22 Publication of CA1021118A publication Critical patent/CA1021118A/en

Status 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
- B29C44/58—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)
Road Signs Or Road Markings (AREA)
Electrotherapy Devices (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

CA200,521A 1973-05-29 1974-05-22 Thickness adjustment for shaping plastic foam blocks Expired CA1021118A (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
CA1021118A true CA1021118A (en)	1977-11-22

Family

ID=10227546

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA200,521A Expired CA1021118A (en)	1973-05-29	1974-05-22	Thickness adjustment for shaping plastic foam blocks

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

1973
- 1973-05-29 GB GB2543073A patent/GB1425612A/en not_active Expired
1974
- 1974-05-20 ZA ZA00743202A patent/ZA743202B/en unknown
- 1974-05-21 NL NL7406809A patent/NL7406809A/xx not_active Application Discontinuation
- 1974-05-21 ZM ZM80/74A patent/ZM8074A1/en unknown
- 1974-05-21 NO NO741847A patent/NO140461C/en unknown
- 1974-05-22 CA CA200,521A patent/CA1021118A/en not_active Expired
- 1974-05-27 FI FI1620/74A patent/FI162074A/fi unknown
- 1974-05-28 CH CH728474A patent/CH582056A5/xx not_active IP Right Cessation
- 1974-05-28 BR BR4347/74A patent/BR7404347D0/en unknown
- 1974-05-28 SE SE7407047A patent/SE402067B/en unknown
- 1974-05-28 DK DK288874A patent/DK288874A/da not_active Application Discontinuation
- 1974-05-28 ES ES426706A patent/ES426706A1/en not_active Expired
- 1974-05-29 AR AR253971A patent/AR199346A1/en active
- 1974-05-29 BE BE144898A patent/BE815707A/en unknown
- 1974-05-29 JP JP49060670A patent/JPS5022064A/ja active Pending
- 1974-05-29 FR FR7418609A patent/FR2231503B1/fr not_active Expired
- 1974-05-29 IE IE1131/74A patent/IE39398B1/en unknown
- 1974-05-29 DE DE19742426212 patent/DE2426212A1/en not_active Withdrawn
- 1974-06-14 IT IT7423973A patent/IT1037060B/en active

Also Published As

Publication number	Publication date
BR7404347D0 (en)	1975-01-21
ES426706A1 (en)	1977-01-01
BE815707A (en)	1974-09-16
FR2231503B1 (en)	1976-12-24
NL7406809A (en)	1974-12-03
NO140461C (en)	1979-09-05
CH582056A5 (en)	1976-11-30
ZM8074A1 (en)	1974-12-20
DK288874A (en)	1975-01-20
IT1037060B (en)	1979-11-10
FR2231503A1 (en)	1974-12-27
SE7407047L (en)	1974-12-02
GB1425612A (en)	1976-02-18
NO140461B (en)	1979-05-28
JPS5022064A (en)	1975-03-08
DE2426212A1 (en)	1974-12-19
NO741847L (en)	1974-12-02
ZA743202B (en)	1975-05-28
AR199346A1 (en)	1974-08-23
IE39398B1 (en)	1978-09-27
AU6923274A (en)	1975-11-27
IE39398L (en)	1974-11-29
SE402067B (en)	1978-06-19
FI162074A (en)	1974-11-30

Publication	Publication Date	Title
CA1026065A (en)	1978-02-14	Tyre moulds
CA1035918A (en)	1978-08-08	Mold release agents for forming shaped polyurethane
CA1034326A (en)	1978-07-11	Plastic molding process
CA998508A (en)	1976-10-19	Mold for forming plastic foam parts
IL45234A0 (en)	1974-10-22	Apparatus for the continuous manufacture of foamed plastic
CA990473A (en)	1976-06-08	Mould additives
CA1024315A (en)	1978-01-17	Mold apparatus
AU503474B2 (en)	1979-09-06	Molding polucarbodiimide foam
CA1009414A (en)	1977-05-03	Venting construction for molds for forming plastic foam parts
AU464395B2 (en)	1975-08-28	Adjustable mould platen for fabric moulding
CA1017900A (en)	1977-09-20	Process for making foamed styrene polymers
CA1021118A (en)	1977-11-22	Thickness adjustment for shaping plastic foam blocks
CA1023515A (en)	1978-01-03	Molding apparatus
CA1015543A (en)	1977-08-16	Fluid-release mold
CA1019196A (en)	1977-10-18	Molding apparatus
CA1034324A (en)	1978-07-11	Machine for the continuous production of foam blocks
CA996037A (en)	1976-08-31	Plastic foam filter
SU582983A1 (en)	1977-12-05	Mould for making articles from foaming material
AU470217B2 (en)	1976-03-04	Mould stool
SU606724A1 (en)	1978-05-15	Unit for moulding three-dimensional objects
CA895417A (en)	1972-03-14	Extruder process for foam manufacture
CA904515A (en)	1972-07-11	Foam mold
AU468517B2 (en)	1976-01-15	Plastic foam
CA1025754A (en)	1978-02-07	Process for producing sliced veneer
AU488857B2 (en)	1976-01-15	Improvements intyre moulds