Shock absorbing sheet comprising gelled material

Details Shock absorbing sheet comprising gelled material Shock absorbing sheet comprising gelled material

1988-04-08

1990-03-20

Cashion, Jr., Merrell C.

Stock material or miscellaneous articles

Sheet including cover or casing

Including elements cooperating to form cells

428 76, 428447, B32B 104

Patent

active

049100602

ABSTRACT:
A method for manufacturing a sheet-formed buffer material using a gelled material wherein a thermally flexible and weldable covering sheet is applied to each of both surfaces of a flat gel material layer made of gelled material with penetration value of 50 to 200 and a buffer layer is thus made, said buffer layer being divided from above said covering sheet by a dividing means having a thermally welding means whereby said buffer layer is divided by said dividing means to form separate cells and simultaneously said covering sheets of the divided portions are welded by said thermally welding means to form dividing grooves between separate independent cells.

REFERENCES:
patent: 4456642 (1984-06-01), Burgdorfer
patent: 4754514 (1988-07-01), Limb
patent: 4797310 (1989-01-01), Barby

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