GB1059413A - Process for forming apertured articles - Google Patents
Process for forming apertured articlesInfo
- Publication number
- GB1059413A GB1059413A GB4452166A GB4452166A GB1059413A GB 1059413 A GB1059413 A GB 1059413A GB 4452166 A GB4452166 A GB 4452166A GB 4452166 A GB4452166 A GB 4452166A GB 1059413 A GB1059413 A GB 1059413A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dies
- mat
- die
- walls
- punch
- 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
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N5/00—Manufacture of non-flat articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
1,059,413. Mould venting. WEYERHAEUSER CO. March 16, 1964 [May 27, 1963], No. 44521/66. Divided out of 1.059,412. Heading B5A. Apertured articles are formed by compression moulding a resin impregnated fibrous mat between heated male and female dies 25, 26 the male die carrying a punch 38 which co-operates with an aperture 40 with female die to remove the required portion of the mat. Die 25 is carried by a member 21 which is slidable in a member 22, which member carries die 26, peripheral walls 28, and 32, of members 21 and 22 respectively co-operating to sever the pressed article from the rest of the mat. Upon release of the pressure on the dies after the moulding operation the vapours released from the mat during the moulding operation force them apart. The relative lengths of walls 28 and 32 are designed so that upon movement of the dies apart the punch 38 is withdrawn from aperture 40, to allow venting of the vapour therethrough, whilst said walls 28 and 32 remain in registry thus preventing the vapour from escaping from the periphery of the dies.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28339663A | 1963-05-27 | 1963-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1059413A true GB1059413A (en) | 1967-02-22 |
Family
ID=23085865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4452166A Expired GB1059413A (en) | 1963-05-27 | 1964-03-16 | Process for forming apertured articles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1059413A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2187977A1 (en) * | 1972-06-12 | 1974-01-18 | Saladin Ag | |
| WO2015052375A1 (en) * | 2013-10-07 | 2015-04-16 | Elastopoli Oy | Method, apparatus and use in manufacturing a product based on thermoplastic |
-
1964
- 1964-03-16 GB GB4452166A patent/GB1059413A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2187977A1 (en) * | 1972-06-12 | 1974-01-18 | Saladin Ag | |
| WO2015052375A1 (en) * | 2013-10-07 | 2015-04-16 | Elastopoli Oy | Method, apparatus and use in manufacturing a product based on thermoplastic |
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