GB1244480A - A method for the continuous production of foam plastics webs of rectangular cross-section - Google Patents
A method for the continuous production of foam plastics webs of rectangular cross-sectionInfo
- Publication number
- GB1244480A GB1244480A GB870471A GB870471A GB1244480A GB 1244480 A GB1244480 A GB 1244480A GB 870471 A GB870471 A GB 870471A GB 870471 A GB870471 A GB 870471A GB 1244480 A GB1244480 A GB 1244480A
- Authority
- GB
- United Kingdom
- Prior art keywords
- section
- rectangular cross
- continuous production
- webs
- foam plastics
- 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
-
- 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
- B29C44/30—Expanding the moulding material between endless belts or rollers
-
- 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
- B29L2007/00—Flat articles, e.g. films or sheets
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
1,244,480. Casting foamed webs. METZELER A.G. 18 July, 1968 [22 Aug., 1967], No. 8704/71. Divided out of 1,241,805. Heading B5A. Foamed plastics webs of rectangular crosssection and having flat top surfaces are cast in a loosely lined channel 201 defined by side walls 202 and conveyer bottom 203, extra material 207 being fed to the side walls of the channel. The extra material may be fed before, during, or after the layer 205 is fed and serves to ensure that the foamed web has a flat top.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1704837 | 1967-07-18 | ||
DE1704847 | 1967-08-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1244480A true GB1244480A (en) | 1971-09-02 |
Family
ID=25754712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB870471A Expired GB1244480A (en) | 1967-07-18 | 1968-07-18 | A method for the continuous production of foam plastics webs of rectangular cross-section |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1244480A (en) |
-
1968
- 1968-07-18 GB GB870471A patent/GB1244480A/en not_active Expired
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