GB1291626A - Method and apparatus for moulding sheets - Google Patents
Method and apparatus for moulding sheetsInfo
- Publication number
- GB1291626A GB1291626A GB3760670A GB3760670A GB1291626A GB 1291626 A GB1291626 A GB 1291626A GB 3760670 A GB3760670 A GB 3760670A GB 3760670 A GB3760670 A GB 3760670A GB 1291626 A GB1291626 A GB 1291626A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mould
- carried
- moulds
- pads
- levers
- 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
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
1291626 Moulding articles from sheets JAMES HARDIE & CO PTY Ltd 4 Aug 1970 [20 Aug 1969] 37606/70 Heading B5A Green sheets of, for example, asbestos cement are pressed against a shaping mould by passing a mould covered by a sheet below a vertically reciprocating pressing pad, the pad and mould being so moved as to ensure that the pad acts over the whole area of the sheet and deforms it into close contact with the mould. In the illustrated embodiment, a series of sheet-covered moulds (not shown) are passed on a conveyer under a series of transversely spaced pairs of pads each comprising resilient fingers carried by a backing element 38. The backing elements are carried at the lower ends of links 30 which are, in turn, pivoted to upper and lower rack levers 28 and 29. The levers are carried by upper and lower fulcrum shafts 26, 27 rotatably journalled in side supporting structures 23 and 24 (not shown). The lower fulcrum shaft is oscillated so as to cause the levers to pivot and the pads to be reciprocated in antiphase into and out of contact with the sheets on the moulds, by means of a crank arm 32 connected by rod 33 to a crank arm carried by a motor-driven crankshaft 31. Each side supporting structure includes a fixed lower part over which is slidable a vertically adjustable upper part in which the fulcrum shafts are journalled. In this way the stroke of the pads can be adjusted. The conveyer consists of a series of chains 13 slung between forward driving pulleys 11 and rear idling, pulleys 12, and transverse wooden bars 17 upon which the moulds rest, extending between the chains.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU5975169 | 1969-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1291626A true GB1291626A (en) | 1972-10-04 |
Family
ID=3744984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3760670A Expired GB1291626A (en) | 1969-08-20 | 1970-08-04 | Method and apparatus for moulding sheets |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE755030A (en) |
CH (1) | CH511689A (en) |
DE (1) | DE2041444A1 (en) |
DK (1) | DK125968B (en) |
FR (1) | FR2059050A5 (en) |
GB (1) | GB1291626A (en) |
IE (1) | IE34443B1 (en) |
MY (1) | MY7300428A (en) |
-
0
- BE BE755030D patent/BE755030A/en unknown
-
1970
- 1970-08-04 GB GB3760670A patent/GB1291626A/en not_active Expired
- 1970-08-06 IE IE101870A patent/IE34443B1/en unknown
- 1970-08-20 CH CH1249370A patent/CH511689A/en not_active IP Right Cessation
- 1970-08-20 DK DK427570A patent/DK125968B/en unknown
- 1970-08-20 DE DE19702041444 patent/DE2041444A1/en active Pending
- 1970-08-20 FR FR7030623A patent/FR2059050A5/fr not_active Expired
-
1973
- 1973-12-30 MY MY7300428A patent/MY7300428A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE755030A (en) | 1971-02-01 |
CH511689A (en) | 1971-08-31 |
DK125968B (en) | 1973-05-28 |
IE34443L (en) | 1971-02-20 |
FR2059050A5 (en) | 1971-05-28 |
DE2041444A1 (en) | 1971-03-25 |
IE34443B1 (en) | 1975-05-14 |
MY7300428A (en) | 1973-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |