IT1114302B - PROCEDURE FOR OBTAINING POLYURETHANE FOAM BLOCKS FREE OF DENSITIZATION ON THE BOTTOM - Google Patents

PROCEDURE FOR OBTAINING POLYURETHANE FOAM BLOCKS FREE OF DENSITIZATION ON THE BOTTOM

Info

Publication number: IT1114302B
Authority: IT; Italy
Prior art keywords: densitization; procedure; polyurethane foam; foam blocks; obtaining polyurethane
Prior art date: 1978-01-18

Application number

IT47543/79A

Other languages

Italian (it)

Other versions

IT7947543A0 (en

Original Assignee

Tecfoam Sa

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.)

1978-01-18

Filing date

1979-01-05

Publication date

1986-01-27

1978-01-18 Priority claimed from ES466102A external-priority patent/ES466102A1/en

1978-09-28 Priority claimed from ES473730A external-priority patent/ES473730A2/en

1979-01-05 Application filed by Tecfoam Sa filed Critical Tecfoam Sa

1979-01-05 Publication of IT7947543A0 publication Critical patent/IT7947543A0/en

1986-01-27 Application granted granted Critical

1986-01-27 Publication of IT1114302B publication Critical patent/IT1114302B/en

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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam

IT47543/79A 1978-01-18 1979-01-05 PROCEDURE FOR OBTAINING POLYURETHANE FOAM BLOCKS FREE OF DENSITIZATION ON THE BOTTOM IT1114302B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ES466102A ES466102A1 (en)	1978-01-18	1978-01-18	Improved production of polyurethane for foam block
ES473730A ES473730A2 (en)	1978-09-28	1978-09-28	Improved manufacture of block of polyurethane foam

Publications (2)

Publication Number	Publication Date
IT7947543A0 IT7947543A0 (en)	1979-01-05
IT1114302B true IT1114302B (en)	1986-01-27

Family

ID=26155941

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT47543/79A IT1114302B (en)	1978-01-18	1979-01-05	PROCEDURE FOR OBTAINING POLYURETHANE FOAM BLOCKS FREE OF DENSITIZATION ON THE BOTTOM

Country Status (18)

Country	Link
AT (1)	AT381277B (en)
AU (1)	AU521610B2 (en)
BR (1)	BR7900294A (en)
CA (1)	CA1130523A (en)
CH (1)	CH635028A5 (en)
DE (1)	DE2900525A1 (en)
DK (1)	DK153303C (en)
FI (1)	FI783792A (en)
FR (1)	FR2414996A1 (en)
GB (1)	GB2012657B (en)
GR (1)	GR63066B (en)
IT (1)	IT1114302B (en)
MX (1)	MX150391A (en)
NL (1)	NL7900372A (en)
NO (1)	NO790027L (en)
PT (1)	PT69056A (en)
SE (1)	SE420582B (en)
YU (1)	YU7479A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES423754A1 (en) *	1974-02-28	1976-05-01	Policastilla	Apparatus and methods of manufacturing expanded foam blocks of circular cross-section
DE2517664C3 (en) *	1975-04-22	1981-06-19	Metzeler Schaum Gmbh, 8940 Memmingen	Process for the continuous production of rectangular foam blocks
ES215157Y (en) *	1975-09-16	1976-12-01	Policastilla, S. A.	PERFECTED DEVICE FOR THE CONTINUOUS MANUFACTURE OF BLOCKS OF EXPANDED CELLULAR MATERIAL WITH CIRCULAR SECTION.
ES448190A1 (en) *	1976-05-24	1977-08-01	Roday Espumaciones Ind	Manufacture of polyurethane foam blocks with reduced compacting of peripheral portions
DE2748733A1 (en) *	1977-10-29	1979-05-10	5090 Leverkusen	PROCESS AND EQUIPMENT FOR THE CONTINUOUS PRODUCTION OF BLOCK-SHAPED FOAM

1978
- 1978-12-08 FI FI783792A patent/FI783792A/en unknown
- 1978-12-21 AU AU42789/78A patent/AU521610B2/en not_active Expired
- 1978-12-29 AT AT0937278A patent/AT381277B/en active
- 1978-12-29 GB GB7850274A patent/GB2012657B/en not_active Expired
1979
- 1979-01-03 FR FR7900122A patent/FR2414996A1/en active Granted
- 1979-01-04 NO NO790027A patent/NO790027L/en unknown
- 1979-01-05 IT IT47543/79A patent/IT1114302B/en active
- 1979-01-08 DE DE19792900525 patent/DE2900525A1/en active Granted
- 1979-01-10 PT PT69056A patent/PT69056A/en unknown
- 1979-01-11 SE SE7900266A patent/SE420582B/en not_active IP Right Cessation
- 1979-01-15 YU YU00074/79A patent/YU7479A/en unknown
- 1979-01-16 BR BR7900294A patent/BR7900294A/en unknown
- 1979-01-16 CH CH40779A patent/CH635028A5/en not_active IP Right Cessation
- 1979-01-17 CA CA319,766A patent/CA1130523A/en not_active Expired
- 1979-01-17 GR GR58116A patent/GR63066B/en unknown
- 1979-01-17 MX MX176314A patent/MX150391A/en unknown
- 1979-01-17 NL NL7900372A patent/NL7900372A/en not_active Application Discontinuation
- 1979-01-18 DK DK021979A patent/DK153303C/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO790027L (en)	1979-07-19
AU521610B2 (en)	1982-04-22
ATA937278A (en)	1986-02-15
GB2012657B (en)	1982-03-31
SE7900266L (en)	1979-07-19
AT381277B (en)	1986-09-25
MX150391A (en)	1984-04-30
AU4278978A (en)	1979-07-26
FI783792A (en)	1979-07-19
FR2414996B1 (en)	1983-11-18
YU7479A (en)	1982-10-31
IT7947543A0 (en)	1979-01-05
BR7900294A (en)	1979-08-14
CA1130523A (en)	1982-08-31
DK153303C (en)	1988-11-14
GB2012657A (en)	1979-08-01
DE2900525C2 (en)	1988-03-31
DK153303B (en)	1988-07-04
SE420582B (en)	1981-10-19
FR2414996A1 (en)	1979-08-17
CH635028A5 (en)	1983-03-15
NL7900372A (en)	1979-07-20
PT69056A (en)	1979-02-01
DE2900525A1 (en)	1979-07-19
GR63066B (en)	1979-08-06
DK21979A (en)	1979-07-19

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