PLASTIC BAG AND PRODUCTION THEREOF

Title:

PLASTIC BAG AND PRODUCTION THEREOF

Document Type and Number:

Japanese Patent JPS57170264

Kind Code:

A

Abstract:

In a peripherally welded flexible plastic enclosure (10), Figure 1, intended to be divided into sealed compartments by externally applied clamping members 18 sealing to the edge of the welded seam (12) of the enclosure is allowed by forming the portion of the edge to be sealed with a beadless weld which has an inwardly extending pad (16). The beadless weld may be produced by placing a non-conductive fence 66, Figure 7B, adjacent a die portion 58 which forms the edge weld of the enclosure by R.F. heating.

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Inventors:

HARU SHII DANBII

Application Number:

JP3374182A

Publication Date:

October 20, 1982

Filing Date:

March 03, 1982

Export Citation:

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Assignee:

ANATROS CORP

International Classes:

A61J1/10; A61J1/00; A61J1/05; A61M1/36; B29C65/00; B31B21/60; A61J1/20; (IPC1-7): A61M5/00; B31B21/60; B65D30/20

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