Thermally welded spring pockets

Details Thermally welded spring pockets Thermally welded spring pockets

A - Human Necessities

47

C

360/27

A47C 23/04 (2006.01) A47C 27/06 (2006.01)

Patent

CA 1071335

ABSTRACT Individually pocketed upholstery springs for assembly into so-called Marshall construction, in which the pockets containing the individual springs are formed between the overlaid plies of a two-ply strip of material by lines of separate individual welds which connect the plies together.

301671

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