Folded gas bag

Details Folded gas bag Folded gas bag

1999-08-06

2000-07-18

Johnson, Brian L.

Land vehicles

Wheeled

Attachment

B60R 2116

Patent

active

060896027

ABSTRACT:
In a process and an apparatus for folding a gas bag 15 for a passenger restraint system, a gas bag (15) is introduced, in an uninflated state, to an apparatus that includes a folding tool (12), folding aids (16) and a clamp (19). The folding tool (12) includes a holding plate (1), an intermediate plate (4) with a spiral strip (8) thereon, and a form plate (5) with a spiral slot 10 to accept the spiral strip 8. Prior to a folding process, the gas bag (15) lies on the spiral strip (8), which protrudes through the form plate (5). With help from the folding aids (16), the gas bag is folded into a free space between the protruding strip 8 and the intermediate plate (4). In the process, the gas bag (15) is pressed, as two plies, in spiral shape along the strip (8). The folding occurs uniformly from an inside to an outside. Using a clamp (19), the folded gas bag (15) is brought to a required shape for a housing (25) of the passenger restraint system.

REFERENCES:
patent: 5531477 (1996-07-01), Madrigal et al.
patent: 5636861 (1997-06-01), Orsulak et al.
patent: 5690358 (1997-11-01), Marotzke
Patent Abstracts of Japan, vol. 96, No. 10, Oct. 31, 1996 and JP 08 142790A (Toyota), Jun. 4, 1996.
Patent Abstract of Japan, vol. 18, No. 653, Dec. 12, 1994 and JP 06 255437, (Takata) Sep. 13, 1994.

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