Metal working – Method of mechanical manufacture – Obtaining plural product pieces from unitary workpiece
Patent
1986-11-20
1987-06-09
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Obtaining plural product pieces from unitary workpiece
24442, 24449, B23P 1700, A44B 1800
Patent
active
046709606
ABSTRACT:
Strip fastener material comprising a first flexible strip of material having a surface of loose-weave fiber wool, the first strip of material being configured as a narrow strip having a plurality of identical, spaced first projections extending sidewards in one direction therefrom; and, a second flexible strip of material having a surface of resiliently flexible hooks adapted to releasably mate with the wool, the second strip of material being configured as a narrow strip having a plurality of identical, spaced second projections extending sidewards in one direction therefrom, the first projections and the second projections being identical in shape.
The material is made by cutting a serpentine path longitudinally through the strips of material to form, in each case, two new strips of material configured as a narrow strip having a plurality of identical spaced projections extending sidewards in one direction therefrom.
The fastening material is easily attached to fabric, or the like, by running parallel lines of stitches through the strips and the fabric where one of the lines of stitches is disposed along lines passing through the narrow strips along one side of the strips and the other of the lines of stitches is disposed along lines passing through the tips of the projections.
REFERENCES:
patent: 1741423 (1929-12-01), Lachman
patent: 1890471 (1932-12-01), Rutherford
patent: 2299936 (1942-10-01), Smith et al.
patent: 2370036 (1945-02-01), Howell
patent: 2954074 (1960-09-01), Meyerhardt
patent: 3962900 (1976-06-01), Leiblich
Actief N.V. ABN Trust Company (Curacao) N.V.
Goldberg Howard N.
Nichols Steven
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