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1. (WO1979000939) A DEVICE FOR STRETCHING AND FIXING A CLOTH ON A FRAME
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C L A I M S

1. A device for stretching and fixing a cloth such as a screen-, strainer-, bolting-, filter cloth or similar on a frame of the kind comprising a frame-shaped stand (11), a pressure plate (23) being moveable in the border (12) of the stand and extending over an essential part of said border and at least one
member (19) acting upon the pressure plate for displacing the pressure plate towards the cloth, c h a r a c t e r i z e d i n, that the frame-shaped stand (11) is provided with a bottom (13), that said member (19) comprises at least one pad inflatable with a fluid and arranged between the bottom (13) of the stand
and the pressure plate (23), which is so much smaller than the border (12) of the stand that the pressure plate is adjustable in different angles in relation to the bottom (13) and that on the upper edge of the border (12) of the stand (11) a clamping device is attachable for clamping the cloth (25) on all sides against the border, said clamping device (16) com
prising a frame, which by means of tightening means
(15) can be pressed against the stand (11).

2. A device according to claim 1, c h a r a c t e r i z e d i n, that the pressure surfaces of the clamping device (16) and the stand (11) cooperating with each other are provided with a friction lining (17) and an elastic pressure lining (18) resp.

3. A device according to claim 1 or 2, c h a r a c t e r i z e d i n, that said member (19) comprises a pad, which is inflated by pressure air, and being made of a plastic or rubber material, said pad being divided into a number of compartments communicating with each other.