Air-filling cushioning material and method for manufacturing...

Details Air-filling cushioning material and method for manufacturing... Air-filling cushioning material and method for manufacturing...

2007-11-20

2007-11-20

Loney, Donald J. (Department: 1772)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

C428S178000, C383S003000, C229S087020, C206S484000, C206S522000

Reexamination Certificate

active

10891020

ABSTRACT:
The present invention provides an air-filling cushioning material which can sufficiently inflate cells and, in addition, which can hold the crease of the fold when being formed into a three-dimensional configuration. An air-filling cushioning material1, in which a plurality of cells2having an air-fillable space are formed by adhering overlapped flexible sheets1a, 1bat predetermined spots wherein one sheet1ais flat while the other sheet1bis molded beforehand into a configuration of the cells2in inflation at the position where the cells2are to be formed. Therefore, there is no such problem, as in the conventional case where the cells are formed by tucking the other sheet, the cells cannot inflate well. The cells2formed on the other sheet1bcan inflate sufficiently into a configuration as molded.

REFERENCES:
patent: 4169002 (1979-09-01), Larson
patent: 4422194 (1983-12-01), Viesturs et al.
patent: 5824392 (1998-10-01), Gotoh et al.
patent: 6423166 (2002-07-01), Simhaee
patent: 2002/0064319 (2002-05-01), Tanaka et al.
patent: 07-285581 (2003-07-01), None

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