ES448306A1 - Process for shaping polymer surface - Google Patents
Process for shaping polymer surfaceInfo
- Publication number
- ES448306A1 ES448306A1 ES448306A ES448306A ES448306A1 ES 448306 A1 ES448306 A1 ES 448306A1 ES 448306 A ES448306 A ES 448306A ES 448306 A ES448306 A ES 448306A ES 448306 A1 ES448306 A1 ES 448306A1
- Authority
- ES
- Spain
- Prior art keywords
- polymer surface
- shaping polymer
- shaping
- foaming
- translation
- 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
- B29C44/58—Moulds
- B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
-
- 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
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/467—Foam spreading or levelling devices
-
- 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
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/006—Degassing moulding material or draining off gas during moulding
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Process for the surface shaping of polymers, prepared from liquid mixtures by free foaming in a single step, characterized in that a gas, preferably air, is maintained in forced flow along the surface of the foaming polymer, perpendicular to the confining walls . (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUEA147A HU170123B (en) | 1975-05-29 | 1975-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES448306A1 true ES448306A1 (en) | 1977-11-01 |
Family
ID=10995098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES448306A Expired ES448306A1 (en) | 1975-05-29 | 1976-05-28 | Process for shaping polymer surface |
Country Status (21)
Country | Link |
---|---|
JP (1) | JPS5211268A (en) |
AU (1) | AU500938B2 (en) |
BE (1) | BE842140A (en) |
BR (1) | BR7603100A (en) |
CH (1) | CH595971A5 (en) |
DE (1) | DE2620084A1 (en) |
DK (1) | DK235176A (en) |
ES (1) | ES448306A1 (en) |
FI (1) | FI761394A (en) |
FR (1) | FR2312357A1 (en) |
GR (1) | GR59908B (en) |
HU (1) | HU170123B (en) |
IT (1) | IT1061717B (en) |
LU (1) | LU74965A1 (en) |
NL (1) | NL7605218A (en) |
NO (1) | NO761822L (en) |
PL (1) | PL101732B1 (en) |
PT (1) | PT65131B (en) |
RO (1) | RO83528A (en) |
SE (1) | SE7605407L (en) |
SU (1) | SU668615A3 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE625615A (en) * | 1961-12-05 | |||
US3240846A (en) * | 1962-08-06 | 1966-03-15 | Allied Chem | Method and apparatus for preparing polyurethane foam sandwich structure |
BE718157A (en) * | 1967-07-18 | 1968-12-31 | ||
BE777216A (en) * | 1971-01-12 | 1972-01-14 | Continental Gummi Werke Ag | METHOD AND DEVICE FOR MANUFACTURING BLOCKS FROM FLAT SURFACE MOUSSEA MATERIAL IN OPEN MOLDS |
-
1975
- 1975-05-29 HU HUEA147A patent/HU170123B/hu unknown
-
1976
- 1976-05-03 CH CH550976A patent/CH595971A5/xx not_active IP Right Cessation
- 1976-05-06 DE DE19762620084 patent/DE2620084A1/en active Pending
- 1976-05-12 AU AU13859/76A patent/AU500938B2/en not_active Expired
- 1976-05-13 SE SE7605407*7A patent/SE7605407L/en unknown
- 1976-05-14 NL NL7605218A patent/NL7605218A/en not_active Application Discontinuation
- 1976-05-17 BR BR7603100A patent/BR7603100A/en unknown
- 1976-05-18 FI FI761394A patent/FI761394A/fi not_active Application Discontinuation
- 1976-05-18 LU LU74965A patent/LU74965A1/xx unknown
- 1976-05-20 GR GR50762A patent/GR59908B/en unknown
- 1976-05-24 PT PT65131A patent/PT65131B/en unknown
- 1976-05-24 BE BE167266A patent/BE842140A/en not_active IP Right Cessation
- 1976-05-24 SU SU762362102A patent/SU668615A3/en active
- 1976-05-26 FR FR7616068A patent/FR2312357A1/en not_active Withdrawn
- 1976-05-26 RO RO7686268A patent/RO83528A/en unknown
- 1976-05-27 PL PL1976189901A patent/PL101732B1/en unknown
- 1976-05-28 NO NO761822A patent/NO761822L/no unknown
- 1976-05-28 ES ES448306A patent/ES448306A1/en not_active Expired
- 1976-05-28 JP JP51062159A patent/JPS5211268A/en active Granted
- 1976-05-28 DK DK235176A patent/DK235176A/en unknown
- 1976-05-28 IT IT68317/76A patent/IT1061717B/en active
Also Published As
Publication number | Publication date |
---|---|
FR2312357A1 (en) | 1976-12-24 |
RO83528B (en) | 1984-10-30 |
GR59908B (en) | 1978-03-16 |
HU170123B (en) | 1977-04-28 |
JPS5428193B2 (en) | 1979-09-14 |
FI761394A (en) | 1976-11-30 |
SU668615A3 (en) | 1979-06-15 |
PL101732B1 (en) | 1979-01-31 |
DK235176A (en) | 1976-11-30 |
RO83528A (en) | 1985-10-31 |
DE2620084A1 (en) | 1976-12-02 |
LU74965A1 (en) | 1977-01-18 |
JPS5211268A (en) | 1977-01-28 |
AU1385976A (en) | 1977-11-24 |
PT65131B (en) | 1977-10-11 |
BR7603100A (en) | 1977-02-15 |
PT65131A (en) | 1976-06-01 |
AU500938B2 (en) | 1979-06-07 |
CH595971A5 (en) | 1978-02-28 |
NL7605218A (en) | 1976-12-01 |
NO761822L (en) | 1976-11-30 |
SE7605407L (en) | 1976-11-30 |
BE842140A (en) | 1976-09-16 |
IT1061717B (en) | 1983-04-30 |
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