Method and apparatus for forming and transporting elastic ribbon

Details Method and apparatus for forming and transporting elastic ribbon Method and apparatus for forming and transporting elastic ribbon

1985-10-24

1989-03-21

Rosenbaum, C. Fred

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

156160, A61F 1316, B32J 3100

Patent

active

048139467

ABSTRACT:
A carrier strip or filament of cold drawable material is utilized to transport discrete lengths of elastic ribbon within a manufacturing apparatus. The elastic ribbons are extruded onto the carrier strip or around the filament and adhere thereto. The carrier strip and elastic ribbon are jointly stretched a predetermined amount. The stretched carrier strip and stretched elastic ribbon are bonded to a component of a final product, as, for example, the backing sheet of a disposable diaper, wherein the elastic ribbons are employed to elasticize the leg areas. The carrier strips greatly facilitate machine handling relatively short lengths of stretched elastic ribbons without waste. The carrier strips may be transversely guided along a predetermined path to follow the hourglass contour of the margins of a diaper having form fitting legs.

REFERENCES:
patent: 4239578 (1980-12-01), Gore
patent: 4259220 (1981-03-01), Bunnelle et al.
patent: 4413623 (1983-11-01), Pieniak
patent: 4417935 (1983-11-01), Spencer
patent: 4543099 (1985-09-01), Bunnelle et al.
patent: 4547243 (1985-10-01), Brody
patent: 4556596 (1985-12-01), Meuli
patent: 4578133 (1986-03-01), Oshefsky et al.
patent: 4582550 (1986-04-01), Sigl
patent: 4643728 (1987-02-01), Karami

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