SE8304871L - DISTANCE MATERIALS AND PROCEDURES TO MANUFACTURE THE SAME - Google Patents
DISTANCE MATERIALS AND PROCEDURES TO MANUFACTURE THE SAMEInfo
- Publication number
- SE8304871L SE8304871L SE8304871A SE8304871A SE8304871L SE 8304871 L SE8304871 L SE 8304871L SE 8304871 A SE8304871 A SE 8304871A SE 8304871 A SE8304871 A SE 8304871A SE 8304871 L SE8304871 L SE 8304871L
- Authority
- SE
- Sweden
- Prior art keywords
- pressure
- air bubbles
- chamber
- low
- plastics material
- Prior art date
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
- B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
-
- 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
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/06—Unsaturated polyesters
-
- 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
-
- 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
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
Landscapes
- Laminated Bodies (AREA)
- Joining Of Glass To Other Materials (AREA)
- Moulding By Coating Moulds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Spacer material (21) suitable for sandwich constructions (21, 22, 23) is manufactured with the help of a low-pressure chamber (9). Inside a first space (8) at atmospheric pressure air bubbles are introduced into a curing agent-compatible plastics material, for example a thixotropic laminating polyester. The material thus provided with air bubbles is placed on an exposed mould (5) or on a base inside or outside the aforementioned low-pressure chamber. After the material provided with air bubbles has been placed inside the chamber the latter is actuated in order to provide a second pressure which is considerably below the first pressure. The plastics material takes rigid shape at said second pressure inside the chamber for a short tack-free time, and the air bubbles which have been caused to expand by the low pressure are trapped in the plastics material during the solidifying process.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8304871A SE438113B (en) | 1983-09-12 | 1983-09-12 | DISTANCE MATERIALS AND PROCEDURES TO MANUFACTURE THE SAME |
EP19840903297 EP0155289A1 (en) | 1983-09-12 | 1984-08-31 | Spacer material and method for the manufacture of the same |
PCT/SE1984/000286 WO1985001248A1 (en) | 1983-09-12 | 1984-08-31 | Spacer material and method for the manufacture of the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8304871A SE438113B (en) | 1983-09-12 | 1983-09-12 | DISTANCE MATERIALS AND PROCEDURES TO MANUFACTURE THE SAME |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8304871D0 SE8304871D0 (en) | 1983-09-12 |
SE8304871L true SE8304871L (en) | 1985-03-13 |
SE438113B SE438113B (en) | 1985-04-01 |
Family
ID=20352450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8304871A SE438113B (en) | 1983-09-12 | 1983-09-12 | DISTANCE MATERIALS AND PROCEDURES TO MANUFACTURE THE SAME |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0155289A1 (en) |
SE (1) | SE438113B (en) |
WO (1) | WO1985001248A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19800166A1 (en) * | 1998-01-05 | 1999-07-08 | Buehler Ag | Closed cell polyester foam production by reactive extrusion without granulation |
ATE276340T1 (en) | 2001-02-01 | 2004-10-15 | Cognis Deutschland Gmbh | DISHWASHING AND CLEANING PRODUCTS |
DE10163856A1 (en) * | 2001-12-22 | 2003-07-10 | Cognis Deutschland Gmbh | Hydroxy mixed ethers and polymers in the form of solid agents as a pre-compound for washing, rinsing and cleaning agents |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1582446A (en) * | 1977-07-11 | 1981-01-07 | British Industrial Plastics | Apparatus for the production of aminoplast resin foam |
FR2413198A1 (en) * | 1977-12-30 | 1979-07-27 | Stratiforme Sa | EXPANDED PHENOLIC RESIN PANEL AND ITS MANUFACTURING PROCESS |
FR2458381A1 (en) * | 1979-06-04 | 1981-01-02 | Ameublement Ind Et Tech | Mould for plastic cellular objects - has means of sealing filling inlet and applying partial vacuum during polymerisation |
-
1983
- 1983-09-12 SE SE8304871A patent/SE438113B/en not_active IP Right Cessation
-
1984
- 1984-08-31 EP EP19840903297 patent/EP0155289A1/en not_active Withdrawn
- 1984-08-31 WO PCT/SE1984/000286 patent/WO1985001248A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE438113B (en) | 1985-04-01 |
EP0155289A1 (en) | 1985-09-25 |
SE8304871D0 (en) | 1983-09-12 |
WO1985001248A1 (en) | 1985-03-28 |
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