Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking
Patent
1992-07-24
1994-02-22
Crowder, Clifford D.
Textiles: manufacturing
Textile product fabrication or treatment
Fiber entangling and interlocking
28107, 414331, D04H 1800
Patent
active
052876047
ABSTRACT:
To permit a change of the needle boards of an apparatus for needling nonwoven webs, a magazine is provided, which supports the needle boards in superposed slide tracks. The needling apparatus comprises an assembling track, which extends on both sides of vertically movable board carriers, which are arranged in a row and to which the needle boards are detachably secured. The assembling track serves to guide the needle boards, which are adapted to be interconnected by tension-resisting coupling means. To permit the boards to be changed by machine, a board conveyor for the needle boards is provided between the assembling track and the magazine when the latter is in a position for delivering and receiving needle boards, said board conveyor comprises a board track between the magazine and the assembling track, and the slide tracks of the magazine are vertically movable relative to the board track extending between the magazine and the assembling track by increments which correspond to the vertical spacing of the slide tracks.
REFERENCES:
patent: 4878799 (1989-11-01), Seto et al.
Crowder Clifford D.
Textilmaschinenfabrik Dr. Ernst Fehrer Aktiengesellschaft
Vanatta Amy B.
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