Air mattress with oval beams

Details Air mattress with oval beams Air mattress with oval beams

1995-10-31

1999-05-25

Trettel, Michael F.

Beds

Mattress

Having confined gas

5706, 5711, A47C 2708

Patent

active

059060190

ABSTRACT:
An air mattress includes a top sheet made of woven textile material laminated to an inner sheet of PVC and welded to bottom sheet made of PVC. Oval beams are welded to the inner and bottom sheets which are joined by lap seams. Support strips are provided for securing the lap seams at each corner.

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