Method and apparatus for producing a sewn product

Details Method and apparatus for producing a sewn product Method and apparatus for producing a sewn product

2008-02-08

2010-06-22

Izaguirre, Ismael (Department: 3765)

Sewing

Method of sewing

On specified product

C112S117000, C112S122300, C083S938000

Reexamination Certificate

active

07739972

ABSTRACT:
The present invention relates to a simple and inexpensive method for producing a mattress panel or quilt having corners which deviate from an orthogonal pattern. The method renders a material having two stitched seams between two sewn products that are arranged adjacently. The two stitched seams are created by a sewing device, which moves transversely to the conveying direction of the material. The material is cut between said seams by a sewing unit, located within the sewing device. Prior to or during the stitching of the seams, another device removes a sub-area comprising both sewn products, resulting in a mattress panel or quilt with corners deviating from an orthogonal pattern.

REFERENCES:
patent: 3670679 (1972-06-01), Campbell
patent: 3785307 (1974-01-01), Hunter et al.
patent: 4594955 (1986-06-01), Lichtenberg
patent: 4883009 (1989-11-01), Haselberger et al.
patent: 5040473 (1991-08-01), Zesch et al.
patent: 5913277 (1999-06-01), Resta
patent: 6293213 (2001-09-01), Block et al.
patent: 6408773 (2002-06-01), Resta
patent: 7066101 (2006-06-01), Codos
patent: WO 99/19552 (1999-04-01), None

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