Method and apparatus for making a nonwoven fabric

Details Method and apparatus for making a nonwoven fabric Method and apparatus for making a nonwoven fabric

1975-11-28

1978-05-16

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

19296, 28101, 28102, 28257, 156441, 156167, 428108, 428109, D04H 305, D01G 2500

Patent

active

040897206

ABSTRACT:
Method and apparatus for making a nonwoven fabric wherein a first group of filaments are projected in a longitudinal direction into the nip of a pair of nipped and moving collecting surfaces in such a manner that the filaments fold into and are captured and held by the nip with spans of the filaments lying in the plane of the nip and at the same time projecting a second group of filaments in a longitudinal direction toward one of the collecting surfaces at a location spaced from the nip. The second group of filaments impinges on an impact plate positioned above the collecting surface and is pulled off the impact plate by the moving collecting surface, this causing the filaments in the second group to extend primarily in the machine direction. The moving collecting surfaces carry the groups of filaments into contact with each other to form a nonwoven fabric which is subsequently bonded in a conventional manner to form a finished fabric. In the finished fabric the filaments from the first group will for the most part extend across the fabric while the filaments from the second group will for the most part extend along the fabric to give a fabric having a stretch on the bias.

REFERENCES:
patent: 2693844 (1954-11-01), Bay
patent: 2875503 (1959-03-01), Frickert et al.
patent: 3010865 (1961-11-01), Porter
patent: 3488819 (1970-01-01), Jackson
patent: 3823049 (1974-07-01), Vetrovec
patent: 3853651 (1974-12-01), Porte

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