Apparatus for making nonwoven sheet

Details Apparatus for making nonwoven sheet Apparatus for making nonwoven sheet

1985-12-30

1987-05-19

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

Stock pressurizing means operably associated with downstream...

Including product handling means

4251748E, 4253822, 425 831, B29C 4734, B29C 4712

Patent

active

046663959

ABSTRACT:
An improved nonwoven-sheet-making apparatus includes an improved rotatable baffle which has a conical section that whose axis is displaced from the axis of rotation of the baffle. In preferred operation, the baffle deflects, spreads and oscillates a fiber stream as it advances from a spinneret to a moving receiver on which the stream fibers are deposited to form a ribbon which is overlapped with like-formed ribbons to form a sheet. The apparatus is particularly useful in making a less ropy more uniform sheet of flash-spun plexifilamentary strands.

REFERENCES:
patent: 3081519 (1963-03-01), Blades et al.
patent: 3169899 (1965-02-01), Steuber
patent: 3402227 (1968-09-01), Knee
patent: 3497918 (1970-03-01), Pollock et al.
patent: 3860369 (1975-01-01), Brethauer et al.
patent: 4537733 (1985-08-01), Farago

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