METHOD FOR JOINTING LAYERS OF THERMOPLASTIC FILM Russian patent published in 1994 - IPC

Abstract RU 2005617 C1

FIELD: plastic jointing. SUBSTANCE: method includes pressing of thermoplastic film layers at some distance from punch outline equal to at least thickness of jointed layers of film. Film layers are also pressed under end face of punch. EFFECT: higher efficiency. 6 dwg

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RU 2 005 617 C1

Authors

Remov L.M.

Dates

1994-01-15—Published

1992-05-25—Filed