| 摘要 |
1516252 Seaming non-metallic sheet material FKF BERLIN-FLEISCHWAREN UND KONSERVENFABRIK SCHULZ & BERNDT GmbH & Co KG 7 May 1976 [9 May 1975 26 Aug 1975] 48455/77 Divided out of 1516251 Heading B5K The subject matter is similar to that disclosed in Specification 1,516,251 but the claims relate to apparatus for sealing together the plastics layers of two plastics/metal laminates comprising first and second sealing heads carrying respective sealing dies and means for closing the sealing dies, said means comprising an hydraulically actuated toggle mechanism hinged to one of the sealing heads and to a resilient buffer. |
