RF energy sealable web of film

Details RF energy sealable web of film RF energy sealable web of film

1992-02-04

1993-03-16

Sluby, P. C.

Flexible bags

Wall details

Multi-layer or ply

428 367, 428215, 428520, 428522, 428480, 604403, B65D 3008, B32B 2706

Patent

active

051939134

ABSTRACT:
A web of film for use in manufacturing flexible containers is provided. In an embodiment, the film comprises a first layer constructed from a non-RF responsive material and a second layer constructed from a RF responsive material. The second layer has a sufficiently greater thickness than the first layer that when sufficient RF energy is applied to the second layer, the first layer is sealed to a second film surface. In an embodiment, the film has three layers. A container constructed from the film is also provided.

REFERENCES:
patent: 4565742 (1986-01-01), Lang
patent: 4620999 (1986-11-01), Holmes
patent: 4788105 (1988-11-01), Mueller et al.
patent: 4826493 (1989-05-01), Martini et al.

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