D - Textiles – Paper – 03 – C
Patent
D - Textiles, Paper
03
C
139/42
D03C 19/00 (2006.01) D03D 37/00 (2006.01)
Patent
CA 1130172
Abstract of the Disclosure A circular loom is disclosed for tubular fabric consist- ing essentially of threads and/or strips of synthetic, artificial and natural substances, said loom being of the vertical heald type with healds arranged on concentric rings, with the draft and the winding up of the flattened fabric being formed on a fabric gaug- ing cylinder arranged downstream of the shuttles, characterized in that said loom comprises one single rotary positive cam with a double track for the control of the alternate motion of the healds, said cam consisting essentially of a hollow cylinder turning coaxially inside the fabric-gauging cylinder and on whose outside cylindrical surface there are provided two closed track guide cams having a substantially helicoidal development, of which one is the cam controlling the motion of the external healds, while the other controls the internal healds, those guiding cams being associated with guide-pads or cam followers which are integral with saddles carrying the healds mounted slidably in fixed verti- cal guides, thereby imparting to the two series of healds their alternate up-and-down motion, said healds being, moreover, axially constrained by elastic or resilient means to the corresponding supporting saddles so that they may be all blocked automatically in their lower position by the hooking in of their lower ends on corresponding oscillating hooks mounted displaceably in a coaxial alignment with the healds themselves, so as to retain all the warp threads on a level below the plane of sliding of the shuttles. -i-
349596
Baldi Giuliano
Barracchia Pasquale
Cacciapuoti Beniamino
Furia Edoardo
Manini Benito
Moplefan S.p.a.
Robic Robic & Associes/associates
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