Title:
【発明の名称】それ自身の上に折り返された熱可塑性フィルムのシーリングおよび穴あけ装置
Document Type and Number:
Japanese Patent JPS63503371
Kind Code:
A
Abstract:
The invention consists of a device for welding and perforating a thermoplastic film folded back on itself. The device consists of a support for supporting two electrically heated welding strips and a perforation device. The perforation device is movably supported between the welding strips. The support is transversely movable with respect to the film. The welding strips consists of a non-heating portion and a heating portion. The non-heating portion is at least equal in length to the heating portion.
Inventors:
Shusini, Etianne
Soubriel, pierre
Soubriel, pierre
Application Number:
JP50325687A
Publication Date:
December 08, 1988
Filing Date:
May 20, 1987
Export Citation:
Assignee:
Baxter, International, Inc.
International Classes:
B29C65/18; B29C65/22; B29C65/74; B31B19/64; B31B50/86; (IPC1-7): B29C65/74; B31B1/86
Attorney, Agent or Firm:
Akaoka Michio