GB825392A - Method and apparatus for manufacturing corrugated thermoplastic sheets - Google Patents
Method and apparatus for manufacturing corrugated thermoplastic sheetsInfo
- Publication number
- GB825392A GB825392A GB10051/58A GB1005158A GB825392A GB 825392 A GB825392 A GB 825392A GB 10051/58 A GB10051/58 A GB 10051/58A GB 1005158 A GB1005158 A GB 1005158A GB 825392 A GB825392 A GB 825392A
- Authority
- GB
- United Kingdom
- Prior art keywords
- web
- moulds
- corrugated
- mould
- corrugations
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/22—Corrugating
- B29C53/24—Corrugating of plates or sheets
- B29C53/26—Corrugating of plates or sheets parallel with direction of feed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
825,392. Moulding corrugated sheets of thermoplastic synthetic resin. S. A. S. LAVORAZIONE MATERIE PLASTICHE (L.M.P.) DI M. I. COLOMBO & CO. March 28, 1958 [April 5, 1957 ; Feb. 1, 1958 ; March 4, 1958], No. 10051/58. Class 87(2). In a method of longitudinally corrugating a web of thermoplastic synthetic resin material the web is heated to its softening temperature, and is then drawn along and forced into the corrugations of a cooled mould whilst maintaining its original width. A web 14, Fig. 1, of a polyvinyl, methacrylic, polyethylene or other thermoplastic resin obtained by cutting a tube 12 extruded from a nozzle 11 is flattened between cooled moulds 40, 41 and drawn by rollers 15, 16 and 19, 20 along a path between infra red radiators 25, 26 and between corrugated moulds 27, 28 and 27<SP>1</SP>, 28<SP>1</SP>. The latter consist of metal casings filled with. cooling water and having complementary corrugated moulding surfaces, the web being pressed into the corrugations by the weight of the upper mould assisted if desired by a spring 42. The moulds 27, 28 and 27<SP>1</SP>, 28<SP>1</SP> may be replaced by moulds 127, 128, Figs. 4 and 5, comprising hollow metal cylinders 50 ... 50n and 50<SP>1</SP> to 50<SP>1</SP>m interconnected by tubes 53, 54 and 53<SP>1</SP>, 54<SP>1</SP> through which cooling water is supplied to the cylinders. In an alternative apparatus, Fig. 11 (not shown), the rollers 19, 20 are replaced by a pair of endless belts and the moulds 100, 107, Fig. 12, form corrugations of dove-tail cross-section. The mould 107 is suspended from rails (not shown) so that it may be moved horizontally into interlocking engagement with the mould 100 after the web has been passed over the corrugated surface of the latter. In a further construction a single corrugated mould only is used into the corrugations of which the web is first pressed by U-shaped tubular members and then maintained in contact with the corrugated surface by suction.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT825392X | 1957-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB825392A true GB825392A (en) | 1959-12-16 |
Family
ID=11318558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10051/58A Expired GB825392A (en) | 1957-04-05 | 1958-03-28 | Method and apparatus for manufacturing corrugated thermoplastic sheets |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB825392A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2124177A (en) * | 1982-06-08 | 1984-02-15 | Alfred John Plummer | Flexible, protective, decorative strip |
| GB2192203A (en) * | 1986-07-01 | 1988-01-06 | Walter A J Joyce | Improvements in and relating to sheet material |
| GB2259666A (en) * | 1991-09-19 | 1993-03-24 | British Aerospace | Pultruding at locations sequentially across the article width |
| EP1336461A1 (en) * | 2000-11-20 | 2003-08-20 | Sun East Research Ltd. Co. | Method and apparatus for producing resin formed article |
| WO2024040548A1 (en) * | 2022-08-26 | 2024-02-29 | Envision Energy Co., Ltd | A web, a wind turbine blade and a manufacturing method thereof |
-
1958
- 1958-03-28 GB GB10051/58A patent/GB825392A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2124177A (en) * | 1982-06-08 | 1984-02-15 | Alfred John Plummer | Flexible, protective, decorative strip |
| GB2192203A (en) * | 1986-07-01 | 1988-01-06 | Walter A J Joyce | Improvements in and relating to sheet material |
| GB2192203B (en) * | 1986-07-01 | 1990-02-28 | Walter Alfred James Joyce | Improvements in and relating to sheet material |
| GB2259666A (en) * | 1991-09-19 | 1993-03-24 | British Aerospace | Pultruding at locations sequentially across the article width |
| EP1336461A1 (en) * | 2000-11-20 | 2003-08-20 | Sun East Research Ltd. Co. | Method and apparatus for producing resin formed article |
| EP1336461A4 (en) * | 2000-11-20 | 2006-05-24 | Sun East Res Ltd Co | Method and apparatus for producing resin formed article |
| WO2024040548A1 (en) * | 2022-08-26 | 2024-02-29 | Envision Energy Co., Ltd | A web, a wind turbine blade and a manufacturing method thereof |
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