Installation for making needled fiber preforms for use in manufa

Details Installation for making needled fiber preforms for use in manufa Installation for making needled fiber preforms for use in manufa

1991-12-02

1993-07-13

Crowder, Clifford D.

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

D04H 1800

Patent

active

052262170

ABSTRACT:
The installation comprises support tooling having a shape that corresponds to that of the preform to be made and on which superposed layers of a two-dimensional fiber fabric can be draped; a needling head comprising a group of needles, a device for driving the needles lengthwise with reciprocating translation motion, and a bearing plate provided with perforations to pass the needles and suitable for being pressed against a layer draped over the support tooling; an arm carrying the needling head and possessing a plurality of degrees of freedom; and a control device for automatically controlling the displacement of the arm to move the needling head within the range of the arm along predetermined trajectories and with predetermined orientations.

REFERENCES:
patent: 2142728 (1939-01-01), Kienzle
patent: 2177604 (1939-10-01), Stone
patent: 3112548 (1963-12-01), Smith
patent: 3287786 (1966-11-01), Goy
patent: 3340586 (1967-09-01), Zocher
patent: 3977335 (1976-08-01), Bonham
patent: 4241479 (1980-12-01), Dilo
patent: 4628846 (1986-12-01), Vives

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