GB592583A - Improvements relating to the moulding of plasticised synthetic rubber-like materials - Google Patents
Improvements relating to the moulding of plasticised synthetic rubber-like materialsInfo
- Publication number
- GB592583A GB592583A GB1026144A GB1026144A GB592583A GB 592583 A GB592583 A GB 592583A GB 1026144 A GB1026144 A GB 1026144A GB 1026144 A GB1026144 A GB 1026144A GB 592583 A GB592583 A GB 592583A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plasticised
- materials
- synthetic rubber
- moulding
- effected
- 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
- 239000000463 material Substances 0.000 title abstract 2
- 238000000465 moulding Methods 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 2
- 239000004800 polyvinyl chloride Substances 0.000 abstract 2
- 238000005336 cracking Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/023—Half-products, e.g. films, plates
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
<PICT:0592583/IV/1> Plasticised synthetic rubber-like materials such as plasticised polyvinyl chloride, which are normally liable to shrink and crack when moulded and amalgamated by heat in strips round an elongated body, are subjected to a heat treatment while suspended substantially vertically under a relatively slight tension in order to cause them to undergo a shrinkage which will enable moulding to be effected without cracking. The heating may be effected in a convection oven, a liquid bath or by irradiation. In an example, plasticised polyvinyl chloride strip 5 passes through a glass-walled chamber 1 heated by infra-red lamps 6, the chamber being kept as air-tight as possible. Depending loop 5a is associated with detector means 14 and 15 which automatically vary the speed of rollers 12 when the loop rises above or descends below predetermined limits.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB592583A true GB592583A (en) | 1947-09-23 |
Family
ID=1697575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1026144A Expired GB592583A (en) | 1944-05-26 | Improvements relating to the moulding of plasticised synthetic rubber-like materials |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB592583A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3299468A (en) * | 1964-07-27 | 1967-01-24 | Irving B Moore Corp | Material treating process and apparatus |
| EP0288951A2 (en) * | 1987-04-28 | 1988-11-02 | Gerhard Klemm | Method and apparatus for shrinking webs |
-
1944
- 1944-05-26 GB GB1026144A patent/GB592583A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3299468A (en) * | 1964-07-27 | 1967-01-24 | Irving B Moore Corp | Material treating process and apparatus |
| EP0288951A2 (en) * | 1987-04-28 | 1988-11-02 | Gerhard Klemm | Method and apparatus for shrinking webs |
| EP0288951A3 (en) * | 1987-04-28 | 1990-10-24 | Gerhard Klemm | Method and apparatus for shrinking sheets |
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