Title: Pressing apparatus

Abstract: Pressing apparatus wherein a cell containing a workpiece is subjected to pressure in a press in which at least one resilient layer of disc-spring units is used as a pressure distributing medium comprises a press, two press plates and a pressure distributor disposed between the pair of plates and one of the press platens. The pressure distributor consists of a plurality of disc-spring units disposed adjacent to one another over the surface of a supporting plate. Each disc-spring unit comprises a pair of disc-springs disposed one on either side of the supporting plate with the apexes of the springs towards each other, the springs of each pair being fastened together by means of rivets passing through an orifice in the plate.

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Inventors: Taylor, Thomas (Poulton-le-Fylde, EN)

Application Number: 605884
Filing Date: 1975-08-19
Publication_date: 1976-09-14
Assignee: Imperial Chemical Industries Limited (London, EN)
Primary Class(es): 100/295 100/321, 100/322, 100/326, 156/288, 156/583.3, 267/162, 425/406
Other Classes:
US Patent Ref:

2874751	Feb, 1959	Norton	100/93.
3434910	Mar, 1969	Kannegiesser et al.	100/93.
3619310	Nov, 1971	Clarke	156/145.
3682466	Aug, 1972	Huchette et al.	267/161.

Other Refs: 1,242,234666,758708,070

Aug, 1960	FR
Feb, 1952	UK
Apr, 1954	UK

Primary Examiner: Feldman, Peter
Assistant Examiner:
Attorney: Cushman, Darby & Cushman