RF energy sealable web of film
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United States of America Patent
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Mar 16, 1993
Issued Date -
N/A
app pub date -
Feb 4, 1992
filing date -
May 11, 1989
priority date (Note) -
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status (Latency Note)
Importance
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.
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