Air bag and folding technique

Details Air bag and folding technique Air bag and folding technique

1989-11-30

1991-06-11

Marmor, Charles A.

Land vehicles

Wheeled

Attachment

493243, 493186, 493462, 493940, B60R 2116

Patent

active

050226754

ABSTRACT:
A method of folding an air bag and an air bag having a main panel 20 defining a top (26), front (24), and bottom (28) portions and side panels (44a,b) the top and bottom portions defining a neck 30 narrower than the front portion; comprising the steps of: laying bag with bottom portion (28) of main panel (22) flat and as fully extended as possible; flattening the front portion (24) of the main panel (20) to over the flattened bottom portion to form a first lateral extending fold (80) between the bottom (28) and front portions (24) of the bag; maintaining a portion of the front panel (24), proximate the bottom panel (28), relatively flat and folding over the front portion with the top portion to define a second lateral fold (82) between a top portion and the front portion with the top portion flattened and extended as fully as possible, aligning edges (86) of opposing top and bottom portions; placing bag material towards a centerline (70) of bag to form on each side of the bag (20) first (90) and second (92) exterior fore-aft folds and a first interior fold (94); moving the first interior fold out to the aligned edges, between the first and second fore-aft folds, to form a third fore-aft fold (94'); defining on the top (26) and bottom (28) portions of the air bag (20) respective sets of top and bottom fold lines (100a,b), the lateral spacing being approximately equal in dimension to the neck portion (30); moving the first, second and third fore-aft folds and associated air bag material toward the bag centerline and placing same between and aligned with a respective set of top and bottom fold lines forming a top fold (102) and bottom fold (104).

REFERENCES:
patent: 3596443 (1971-08-01), Goldberg
patent: 3748477 (1973-07-01), Wulbrecht
patent: 4004828 (1977-01-01), Sogabe et al.
patent: 4235453 (1980-11-01), Lawson et al.
patent: 4286954 (1981-09-01), McArthur et al.
patent: 4351544 (1982-09-01), Ross
patent: 4512464 (1985-04-01), Sylvester

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