Stock material or miscellaneous articles – Sheet including cover or casing – Foamed or expanded material encased
Patent
1986-03-18
1987-08-11
Wityshyn, Michael
Stock material or miscellaneous articles
Sheet including cover or casing
Foamed or expanded material encased
1562751, 156289, 156290, 1563084, 297DIG1, 428158, 428167, 4283175, A47C 702, B32B 3100
Patent
active
046861300
ABSTRACT:
A trim cover assembly for a seat used in a vehicle such as an automobile is disclosed which is a combination of a top cover member, a foam wadding and a wadding cover welded together by means of high frequency waves and also which is formed with a plurality of stitches by means of such high frequency waves on the top surface thereof for the improved appearance thereof. In the portions of the welder stitches where the trim cover assembly is curvedly placed, there is provided a non-welded portion, making the trim cover assembly easy to curve in such portions as well as preventing the production of wrinkles.
REFERENCES:
patent: 3687766 (1972-08-01), Reinkemeyer
patent: 4078959 (1978-03-01), Palfey
patent: 4534595 (1985-08-01), Abe
Davis J.
Tachikawa Spring Co. Ltd.
Wityshyn Michael
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