Apparatus for the production of reinforcing non-woven fabrics fo

Details Apparatus for the production of reinforcing non-woven fabrics fo Apparatus for the production of reinforcing non-woven fabrics fo

1983-04-07

1986-03-18

Ball, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156439, 156441, 156555, D04H 302

Patent

active

045766720

ABSTRACT:
An apparatus for the production of reinforcement non-woven net fabric which is provided with selvage nipping devices for nipping selvages of a weft sheet constituted by loop end portions of reaches of weft thread on both sides of the weft sheet and advancing the weft sheet with the weft thread reaches laterally tensioned, an adhesive applying device for coating thermoplastic adhesive on the weft sheet being nipped by the selvage nipping devices except for the selvage portion of the weft sheet, a heating device for drying and melting the adhesive on the weft sheet, and a sheet pressing device for pressing and bonding to each other the weft sheet with melted adhesive thereon and a preheated warp sheet. During applying of the adhesive the weft thread reaches can be maintained exactly straight and in parallel and spaced relationship, and no adhesive is applied to most of the warp thread, other than at the intersection points with the weft sheet. Further, the sheet press device has a peripheral surface which is controlled so as to keep the temperature lower than softening point of the adhesive, whereby the composite of weft and warp sheets can be easily and rapidly released from the sheet pressing device.

REFERENCES:
patent: 3041230 (1962-06-01), Diehl
patent: 3496053 (1970-02-01), Bascom et al.
patent: 3582443 (1971-06-01), Bascom
patent: 3605220 (1971-09-01), Atwood et al.
patent: 3649411 (1972-03-01), Bolles
patent: 3855036 (1974-12-01), Solbeck
patent: 4295905 (1981-10-01), Bascom et al.
patent: 4460633 (1984-07-01), Kobayashi et al.

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