发明名称 |
Process for making closure caps and product resulting therefrom |
摘要 |
749,347. Moulding bottle cap seals. CONTINENTAL CAN CO.. Inc. May 17. 1954, No. 14320/54. Class 87(2) [Also in Group XVII] In the moulding in situ of a sealing disc for a crown closure, a sheet of rubber composition 10 having an isobutylene polymer as plasticizer is punched by a punch 11 to deliver a disc 12 into a sleeve 13 by which it is transported to a heated cap 16 presented by a holder 17 to receive the disc 12 ejected by a cold plunger 18 the heat causing adhesion of the disc to the cap which then moves to a hot plate 20 where a heated plunger 21 shapes the sealing disc. The final step of curing or vulcanization takes place in an air heated oven 30. |
申请公布号 |
GB749347(A) |
申请公布日期 |
1956.05.23 |
申请号 |
GB19540014320 |
申请日期 |
1954.05.17 |
申请人 |
CONTINENTAL CAN COMPANY INC. |
发明人 |
EVANS RAYMOND JOHN;SCHNEIDER JULIUS LEVERNE |
分类号 |
B29C31/08;B29C33/02;B29C43/18;B29C43/34;B29C65/44;B29C70/80 |
主分类号 |
B29C31/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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