Picanol N.v. Naamloze Vennootschap

Picanol, N.v.

Picanol

Herman Salomez

Jozef Peeters

Jean-Marie Bamelis

Jean Marie Bamelis

Chris Delanote

Henry Shaw

Arnold Moerman

A thread clamp for a weaving machine includes a clamp having at least two clamping parts between which a thread may be clamped and an actuator arranged to move the clamping parts between clamping and unclamped positions. The actuator is arranged to operate the clamp so that it moves at least in one direction by a negative fluid pressure. The actuator may be formed as a small piston that may be actuated both by positive pressure and negative pressure to move the clamp between clamping and unclamped positions.

Thread clamp for a weaving machine

A device for inserting weft threads in an airjet weaving machine including at least one main blower and a respective thread clamp associated with the main blower. The thread clamp is constituted of an element configured in a modular form. Such modular form enables several such elements to be assembled in a modular configuration, including one on top of another. Pneumatically actuated elements are used to engage and disengage the thread clamps whereby the thread clamps may be engaged or disengaged by pressure and vacuum supplied through a single supply conduit. A method for inserting weft threads in the shed of an airjet weaving machine includes holding each weft thread at least temporarily in a thread clamp that moves with the sley of the weaving machine and using a thread tensioner outside the shed at a location between the thread supply and the thread clamp. A further method of inserting weft threads includes supplying the main blower temporarily with a lower pressure before insertion of the weft thread by the main blower when the thread clamp holding the thread is opened.

Device and method for inserting weft threads in a weaving machine, and thread clamp used therewith

A method and apparatus to monitor filling insertion in a weaving machine. A filling (,) is severed during insertion by a filling-scissors (,), and the actual time at which the filling (,) is severed is detected.

Method and apparatus to monitor filling insertion in a weaving machine, with detection of an exact time at which the filling is actually severed

A method for supplying weft threads into the shed of a weaving machine includes the step of controlling at least one of the weaving machine elements which can influence weft insertion times as a function of the reopening of the shed. The method is particularly applicable to weaving machines of the type in which weft threads are inserted by a transport fluid. A device for carrying out the above method includes a computing unit and memory which controls an insertion time influencing element in response to signals related to a moving pattern of the harnesses and information regarding the weft pattern.

Growing community of inventors

Zonnebeke, Belgium

Herman Salomez