GB822609A - Laminated articles - Google Patents
Laminated articlesInfo
- Publication number
- GB822609A GB822609A GB3463/56A GB346356A GB822609A GB 822609 A GB822609 A GB 822609A GB 3463/56 A GB3463/56 A GB 3463/56A GB 346356 A GB346356 A GB 346356A GB 822609 A GB822609 A GB 822609A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- sheets
- mould
- drawn
- perforated
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
- B29C51/145—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
822,609. Laminates. MONSANTO CHEMICALS Ltd. Jan. 9, 1957 [Feb. 3, 1956], No. 3463/56. Class 140. Laminated articles are produced by a vacuum-forming process in which two or more superimposed sheets of thermoplastic material are used, each sheet other than the one farthest from the mould being perforated so that air can be withdrawn from between the sheets during the moulding operation. The thermoplastic material may be modified polystyrene, e.g. toughened by natural or synthetic rubber, polyvinyl chloride or cellulose acetate, and the sheets may be of different materials or thicknesses. The perforations may be small and may be made with a needle. They may be in a part of the sheet or sheets which in the finished laminated article can be trimmed off. An interlayer, which does not prevent the sheet farthest from the mould from being drawn on to the mould may be inserted between the sheets before moulding. The interlayer may provide strength or may be ornamental and may be of, e.g., paper, fabric, metal foil, filaments of metal or polymers, glass fibre mats or woven glass cloth. In a preferred form of the invention the interlayer is ornamental, the thermoplastic sheet on one side of it is transparent and that on the other side is opaque, the sheet farthest from the mould may be of P.V.C. or toughened polystyrene and the other or others of transparent cellulose acetate. A bonding agent, e.g. an adhesive, particularly a resin adhesive, or one of several specified solvents for the thermoplastic materials, may be employed to bond the layers together, or the laminµ may be bound together by external means or by pressure at the edges. In a modification, instead of forming the superimposed sheets simultaneously on the mould, a sheet other than that farthest from the mould is separately drawn on to the mould and is perforated after it has been drawn, and another sheet is subsequently drawn on to the perforated sheet. If necessary this sheet may then be perforated and other sheets added to the laminate in the same way. Interlayer material can be inserted between the moulded sheets either before the second sheet is drawn, or if the sheets are not bonded together, after the forming is completed.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3463/56A GB822609A (en) | 1956-02-03 | 1956-02-03 | Laminated articles |
| US636851A US2978376A (en) | 1956-02-03 | 1957-01-29 | Method for producing laminated articles |
| FR1178434D FR1178434A (en) | 1956-02-03 | 1957-01-30 | Laminated objects |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2978376X | 1956-02-03 | ||
| GB1178434X | 1956-02-03 | ||
| GB3463/56A GB822609A (en) | 1956-02-03 | 1956-02-03 | Laminated articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB822609A true GB822609A (en) | 1959-10-28 |
Family
ID=27254277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3463/56A Expired GB822609A (en) | 1956-02-03 | 1956-02-03 | Laminated articles |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1178434A (en) |
| GB (1) | GB822609A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1296361B (en) * | 1964-03-21 | 1969-05-29 | Dynamit Nobel Ag | Process for the production of multilayer, glass fiber reinforced molded parts from thermoplastic material |
| US4243368A (en) | 1978-07-31 | 1981-01-06 | Armen Garabedian | Apparatus for making a stress-free plastic article |
| EP0043243A1 (en) * | 1980-06-25 | 1982-01-06 | Unilever Plc | Decorative laminate |
| GB2150494A (en) * | 1983-11-28 | 1985-07-03 | Kiltmaine Ltd | Light transmitting insulating panel |
| GB2216062A (en) * | 1988-02-17 | 1989-10-04 | H P Chemie Pelzer Res & Dev | Moulding |
-
1956
- 1956-02-03 GB GB3463/56A patent/GB822609A/en not_active Expired
-
1957
- 1957-01-30 FR FR1178434D patent/FR1178434A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1296361B (en) * | 1964-03-21 | 1969-05-29 | Dynamit Nobel Ag | Process for the production of multilayer, glass fiber reinforced molded parts from thermoplastic material |
| US4243368A (en) | 1978-07-31 | 1981-01-06 | Armen Garabedian | Apparatus for making a stress-free plastic article |
| EP0043243A1 (en) * | 1980-06-25 | 1982-01-06 | Unilever Plc | Decorative laminate |
| WO1982000021A1 (en) * | 1980-06-25 | 1982-01-07 | Brown K | Decorative laminate |
| GB2150494A (en) * | 1983-11-28 | 1985-07-03 | Kiltmaine Ltd | Light transmitting insulating panel |
| GB2216062A (en) * | 1988-02-17 | 1989-10-04 | H P Chemie Pelzer Res & Dev | Moulding |
| GB2216062B (en) * | 1988-02-17 | 1992-03-04 | H P Chemie Pelzer Res & Dev | Moulding |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1178434A (en) | 1959-05-11 |
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