GB1433757A - Plastic foams - Google Patents
Plastic foamsInfo
- Publication number
- GB1433757A GB1433757A GB4365973A GB4365973A GB1433757A GB 1433757 A GB1433757 A GB 1433757A GB 4365973 A GB4365973 A GB 4365973A GB 4365973 A GB4365973 A GB 4365973A GB 1433757 A GB1433757 A GB 1433757A
- Authority
- GB
- United Kingdom
- Prior art keywords
- side support
- trough
- support surfaces
- sept
- arrow
- 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
- B29C44/20—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
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
1433757 Casting foamed plastics DUNLOP Ltd 3 Sept 1974 [18 Sept 1973] 43659/73 Heading B5A Foamed plastic is continuously cast by depositing a foam-forming mixture at a deposit station 3 in a translatable open-topped trough consisting of a bottom support surface 7 and side support surfaces 5 and 18 and drawing the trough away in the direction indicated by the arrow A, the bottom support passing through a first zone (in which the reaction expands to form a foaming mass) in which its direction of motion is declined with respect to that of the side support surfaces and thence to a second zone in which its direction of motion of the bottom support surface is substantially parallel to that of the side support surfaces, means (not shown in Fig. 2) being provided to move at least one side support laterally (i.e. in the direction of arrow B) so as to adjust the width of the trough, the laterally movable surface comprising a moving web of flexible material which is folded around a straight edge 20 substantially parallel to the declined portion of the bottom surface.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4365973A GB1433757A (en) | 1973-09-18 | 1973-09-18 | Plastic foams |
AU73338/74A AU478175B2 (en) | 1973-09-18 | 1974-09-16 | Improvements in or relating to plastics foams |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4365973A GB1433757A (en) | 1973-09-18 | 1973-09-18 | Plastic foams |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1433757A true GB1433757A (en) | 1976-04-28 |
Family
ID=10429745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4365973A Expired GB1433757A (en) | 1973-09-18 | 1973-09-18 | Plastic foams |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1433757A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4207279A (en) * | 1977-05-03 | 1980-06-10 | Reeves Brothers, Inc. | Process and apparatus for continuous production of polyurethane foam |
-
1973
- 1973-09-18 GB GB4365973A patent/GB1433757A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4207279A (en) * | 1977-05-03 | 1980-06-10 | Reeves Brothers, Inc. | Process and apparatus for continuous production of polyurethane foam |
Also Published As
Publication number | Publication date |
---|---|
AU7333874A (en) | 1976-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |