Stock material or miscellaneous articles – Pile or nap type surface or component – Nap type surface
Patent
1985-02-19
1987-01-13
Swisher, Nancy
Stock material or miscellaneous articles
Pile or nap type surface or component
Nap type surface
428131, 428134, 428136, 428138, B05D 512, B44D 120
Patent
active
046364170
ABSTRACT:
A two-dimensional integral net having a nap in form of relatively long fibres which are integral with the net and protrude from the edges which surround the apertures of the net.
A method of producing this net from a film is by heating selected areas of the film to a molten state and dragging out this molten material into fibres to leave apertures in the film while controlling the fibre-dragging by cooling with an air jet.
REFERENCES:
patent: 1417587 (1922-05-01), Tully
patent: 3399425 (1968-09-01), Lemelson
patent: 3708565 (1973-01-01), Seiffert
patent: 3811923 (1974-05-01), Hammer et al.
patent: 4000230 (1976-12-01), Brendel et al.
patent: 4232073 (1980-11-01), Okamoto
Daniel William J.
Swisher Nancy
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