Resin film coated heat insulating and sound absorbing...

Details Resin film coated heat insulating and sound absorbing... Resin film coated heat insulating and sound absorbing...

2007-03-20

2007-03-20

Gray, Linda (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

C156S308400, C156S265000, C156S251000, C156S515000, C156S301000, C156S302000

Reexamination Certificate

active

10481879

ABSTRACT:
A resin film is provided wherein distortions generated at ear portions of films at shorter sides of a resin film coated heat insulating/sound absorbing material can be eliminated. The front and rear surfaces and both side surfaces in the direction of longer sides of the inorganic fiber mats are covered with band shaped resin films in a state that a predetermined spacing is provided between the mats, and the resin films are cut at a portion between the mats by a cutting blade along a direction of shorter sides in a state that the films are pressed by a pressing member, the resin films are pressed by the pressing member having film setting portions at both ends of a bottom surface thereof, whereby the slopes of the film setting portions prevent the ear portions of the resin films at the cutting portion from spreading sideways.

REFERENCES:
patent: 3679509 (1972-07-01), Fielibert
patent: 5714033 (1998-02-01), Hayashi et al.
patent: 8-197667 (1996-08-01), None
patent: 09-156003 (1997-06-01), None
patent: 2000-85011 (2000-03-01), None
patent: 2001-140371 (2001-05-01), None

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