发明名称 |
SEALING SYSTEM FOR FORMING THERMAL SEALS AND METHOD OF OPERATION THEREOF |
摘要 |
The invention is a sealing system and a method of operation thereof. A sealing system which forms spaced apart thermal seals along a moving at least one web ( 60 ) by contact of the moving the at least one web with heated portions ( 74 ) of sealing elements ( 56 ) mounted on a sealing wheel ( 50 ) during rotation in accordance with the invention includes seal forming elements ( 56 ) which peripherally contact the at least one web to form the thermal seals by heat transfer to the at least one web; and wherein each seal forming element has an outer section ( 62 ) on which is located at least one electrical heater ( 78 ), an inner section ( 64 ) which contacts the sealing wheel and an intermediate section ( 70 ) which includes thermal insulation ( 68 ) which insulates the outer section from the inner section. |
申请公布号 |
EP1338173(A1) |
申请公布日期 |
2003.08.27 |
申请号 |
EP20010981773 |
申请日期 |
2001.10.22 |
申请人 |
R.A. JONES & CO., INC. |
发明人 |
MAKUTONIN, BORIS, E.;OLIVERIO, FRANK, G. |
分类号 |
B29C65/00;B29C65/18;B31B19/64;H05B3/68 |
主分类号 |
B29C65/00 |
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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