Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Scrim – Nonwoven scrim
Patent
1996-10-10
1999-08-31
Aftergut, Jeff H.
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Scrim
Nonwoven scrim
428116, 428118, 442 58, D04H 300, D04H 312
Patent
active
059453567
ABSTRACT:
A reinforcing web has two elongated reinforcing layers. Each reinforcing layer consists of parallel fiber segments which are inclined to the longitudinal axis of the respective layer at an angle of 30 to 85 degrees. To make the web, adhesive with a protective covering is applied to one surface of an elongated band. The band consists of fibers which run parallel to the longitudinal axis of the band. The coated band is wound onto a take-off reel which travels along an endless track. The track is located next to a pair of supports and can rotate 90 degrees to either side of a middle position in which the track is parallel to the supports. The track is swivelled from the middle position through an angle which is a function of the desired orientations of the fiber segments. The take-off reel then begins to move along the track, and the band is deposited on the supports as the reel moves. A take-up reel which travels with the take-off reel winds up the protective covering of the adhesive. The band is held on the supports as the take-off reel travels from one support to the other to deposit one layer and then back to deposit a superposed second layer. The adhesive sides of the layers face one another, and the superposed layers are passed through pressure rollers to bond the layers and form the reinforcing web.
REFERENCES:
patent: 3041230 (1962-06-01), Diehl
patent: 3546056 (1970-12-01), Thomas
patent: 3629047 (1971-12-01), Davison
patent: 3638573 (1972-02-01), Campbell
patent: 3723235 (1973-03-01), Armstrong
patent: 3823049 (1974-07-01), Vetrovec
patent: 3837996 (1974-09-01), Braun
patent: 4302495 (1981-11-01), Marra
patent: 4507164 (1985-03-01), Pott
patent: 4617219 (1986-10-01), Schupack
patent: 4647326 (1987-03-01), Pott
patent: 5445693 (1995-08-01), Vane
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