Three-dimensional camouflage material having cupped heat...

Details Three-dimensional camouflage material having cupped heat... Three-dimensional camouflage material having cupped heat...

2006-09-25

2008-08-26

Izaguirre, Ismael (Department: 3765)

Sewing

Method of sewing

On specified product

C112S117000, C156S093000, C428S919000, C428S017000

Reexamination Certificate

active

07415934

ABSTRACT:
A process for producing a camouflage material having a three-dimensional surface contour comprises providing a plurality of parallel strips of thermoplastic camouflage material having irregular side edges and positioning the strips, preferably with overlapping edges, on an underlying substrate in a multiple head bonding machine, such as a quilting machine, that simultaneously bonds a number of strips of material to the substrate in parallel fashion. Prior to bonding the strips to the substrate, the strips are spaced apart from the substrate and freely suspended. While freely suspended, a series of hot gas pulses (typically hot air) are delivered at spaced, discreet locations along the longitudinal outer surface of the strips of camouflage fabric. The temperature and duration of the air pulses are such that the hot pulses form shallow, cup-shaped depressions in the camouflage fabric, causing the camouflage fabric to spring away from the plane of the substrate at intermittent intervals along its length.

REFERENCES:
patent: 4931320 (1990-06-01), Leonard
patent: 5261978 (1993-11-01), Reynolds
patent: 5486385 (1996-01-01), Bylund et al.
patent: 6754910 (2004-06-01), Shultz et al.
patent: 6991690 (2006-01-01), Strength et al.

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