GB1397331A - Production of foamed plastics material - Google Patents
Production of foamed plastics materialInfo
- Publication number
- GB1397331A GB1397331A GB290672A GB290672A GB1397331A GB 1397331 A GB1397331 A GB 1397331A GB 290672 A GB290672 A GB 290672A GB 290672 A GB290672 A GB 290672A GB 1397331 A GB1397331 A GB 1397331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wall
- ramp
- walls
- junction
- container
- 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
- B29C44/36—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
- B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
- B29C44/462—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface provided with pre-foaming devices
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
1397331 Foam-producing apparatus VITAFOAM Ltd 29 March 1973 [21 Jan 1972] 2906/72 Heading B1C A device for supplying foamable material, for use with a foamed material slabstock producing apparatus of the type including a mixer head 12 and an inclined conveyor 10, comprises a container 11 having relatively inclined walls 13, 14, forming a (V) with wall 13 extending higher than wall 14, a ramp 16 inclined downwardly from the upper edge of wall 14, side walls 15 (only one shown) and inlet means 19, which may comprise one or more apertures in the container, for connection to head 12. A baffle plate 17 may be provided which stops short of wall 14 to create a restricted passage 18. Walls 13, 14 may be hinged together as may wall 14 and ramp 16 so as to be able to vary the configuration. The ramp may be provided with a flexible plate overlying its junction to wall 14, the plate having an adjustably convex form across the width of the junction so that less foam passes over the central region, thus minimising the "domed" effect of the product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB290672A GB1397331A (en) | 1972-01-21 | 1972-01-21 | Production of foamed plastics material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB290672A GB1397331A (en) | 1972-01-21 | 1972-01-21 | Production of foamed plastics material |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1397331A true GB1397331A (en) | 1975-06-11 |
Family
ID=9748289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB290672A Expired GB1397331A (en) | 1972-01-21 | 1972-01-21 | Production of foamed plastics material |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1397331A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0057099A2 (en) * | 1981-01-26 | 1982-08-04 | Miller Foam Enterprises Inc. | Apparatus for continuously molding cylindrical blocks of foamed polymeric material |
EP0078340A1 (en) * | 1979-12-12 | 1983-05-11 | The Dow Chemical Company | Improved method and apparatus for the preparation of foamed structures |
EP0683027A3 (en) * | 1994-05-17 | 1996-08-21 | Nordson Corp | Method and apparatus for dispensing foam materials. |
EP0761405A2 (en) * | 1995-09-06 | 1997-03-12 | Lancastria Limited | Size-adjustable trough for slabstock foam production |
-
1972
- 1972-01-21 GB GB290672A patent/GB1397331A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0078340A1 (en) * | 1979-12-12 | 1983-05-11 | The Dow Chemical Company | Improved method and apparatus for the preparation of foamed structures |
EP0057099A2 (en) * | 1981-01-26 | 1982-08-04 | Miller Foam Enterprises Inc. | Apparatus for continuously molding cylindrical blocks of foamed polymeric material |
EP0057099A3 (en) * | 1981-01-26 | 1984-02-01 | Miller Foam Enterprises Inc. | Apparatus for continuously molding cylindrical blocks of foamed polymeric material |
EP0683027A3 (en) * | 1994-05-17 | 1996-08-21 | Nordson Corp | Method and apparatus for dispensing foam materials. |
EP0761405A2 (en) * | 1995-09-06 | 1997-03-12 | Lancastria Limited | Size-adjustable trough for slabstock foam production |
EP0761405A3 (en) * | 1995-09-06 | 1997-07-23 | Lancastria Ltd | Size-adjustable trough for slabstock foam production |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |