Moplefan S.p.a.

Beniamino Cacciapuoti

Benito Manini

Edoardo Furia

Eugenio Stefani

Pasquale Barracchia

Giuliano Baldi

Bruno Mattei

A circular loom is disclosed for the manufacture of tubular fabrics made of threads and/or strips of polymeric materials. The loom is of the type having heddles on two concentric circles and a central driving shaft, which comprises, for the alternate spreading apart of the warp threads, a support member, mounted coaxially and rotating around the central and vertical loom shaft, on which support one or more pairs of wings or flyers or circular sectors diametrically opposed to one another are coupled under a predetermined and fixed angle of inclination in respect of the axis of said central shaft, each pair of wings or circular sectors being coupled in an inclined manner on said support member with interposition of a roller bearing so as to prevent said wings, through means connecting such wings with fixed parts of the loom, from rotating around said support member when the loom is working and thus assuming a continuous undulatory motion, the end portions of said opposite and oscillating wings or circular sectors being connected, through a plurality of tie rods, with eye-bearing elastic members and having the function of elastic heddles so as to transfer the undulatory motion of said wings to said elastic heddles and therefore to achieve, along the development of the loom reed and by using additional pairs of wings, the necessary spreading apart of the warp threads which is suited to form the wave shed or pitch, rolling means associated with conventional shuttle pushers being furthermore provided for the shuttle drive.

Noiseless high-speed circular loom for producing tubular fabrics

A circular loom is disclosed for tubular fabric consisting essentially of strips of synthetic, artificial and natural substances, said loom being of the vertical heald type with healds arranged on concentric rings, with the drawing and the winding up of the fabric being formed on a fabric gauging 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 vertical 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 strips on a level below the plane of sliding of the shuttles.

High speed circular loom for the production of tubular fabrics starting

Growing community of inventors

Aulla, Italy

Beniamino Cacciapuoti