Method and apparatus for fabrication of composite and arbitrary

Details Method and apparatus for fabrication of composite and arbitrary Method and apparatus for fabrication of composite and arbitrary

1998-04-20

1999-11-23

Calvert, John J.

Textiles: knitting

Miscellaneous

66 62, 66 64, 66125R, D04B 3500

Patent

active

059879297

ABSTRACT:
The invention's object generator utilizes two frames, a y-frame that is atop an x-frame. The y-frame (or the x-frame) is divided into two halves. Each half of the y-frame (or the x-frame) contains a number of needles and latches. The needles in one half of the y-frame are opposed by the needles in the other half of the y-frame. Similarly, The needles in one half of the x-frame are opposed by the needles in the other half of the x-frame. The invention also includes a "head" which comprises a bobbin/tensioning mechanism along with other components. The object generator's head is movable to any location on a grid formed by the y-frame and x-frame. The head dispenses yarn under direction of a custom control software. A computer operating the invention's object generator has stored therein a three dimensional image of the object to be generated. The computer dissects the three dimensional image into two dimensional layer data. The computer and the custom control software feed the two dimensional layer data, layer by layer, to the invention's object generator. The needles of the invention's object generator perform various knitting actions on the yarn that is dispensed by the object generator's head. The needles generate two dimensional layers corresponding to the two dimensional layer data received from the computer. The two dimensional layers are built upon one another and gradually form a three dimensional object.

REFERENCES:
patent: 4078253 (1978-03-01), Kajiura et al.
patent: 4183232 (1980-01-01), Banos et al.
patent: 4526026 (1985-07-01), Krauland, Jr.
patent: 4631931 (1986-12-01), Banos
patent: 4779429 (1988-10-01), Banos

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