Method and apparatus for producing textured napped surfaces

Details Method and apparatus for producing textured napped surfaces Method and apparatus for producing textured napped surfaces

1984-11-13

1986-11-18

Beck, Shrive P.

Stock material or miscellaneous articles

Pile or nap type surface or component

Flock surface

427200, 427206, 427264, 427355, 118 57, 118102, B05D 116

Patent

active

046235728

ABSTRACT:
A method and apparatus for the production of napped surfaces that are textured lightly and irregularly. The surface of a substrate is coated with an adhesive and then covered with short textile fibers to form a layer of nap. After the adhesive hardens, the nap layer is subjected to mechanical deformation by permitting a plurality of balls made of a resilient material to bounce on the layer. The apparatus includes a panel of backing material support for the substrate, such as a panel of material which is to be treated and which already has a nap layer on its surface. Below the support is disposed a vibrator mechanism which causes the support together with the panel of material disposed thereon to vibrate. Above the support and the panel of material disposed thereon, there is a treatment chamber having lateral partitions and an impact ceiling. Within the treatment chamber there is a plurality of balls made of a resilient material.

REFERENCES:
patent: 2345941 (1944-04-01), Lehman
patent: 2563259 (1951-08-01), Miller
patent: 3917883 (1975-11-01), Jepson
patent: 3922404 (1975-11-01), Priester
patent: 4094674 (1978-06-01), Valancius
German Industrial Standard DIN 53,505, Testing of Elastomers; Shore A and D Hardness Test; Aug. 1973; pp. 315-317.

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