Global Patent Index - EP 0309012 B1

EP 0309012 B1 19911127 - PNEUMATIC THREAD CLAMP AND DEVICE FOR DETACHING A WEFT THREAD FROM THE BEAT-UP LINE ON WEAVING LOOMS WITH SUCH A CLAMP

Title (en)

PNEUMATIC THREAD CLAMP AND DEVICE FOR DETACHING A WEFT THREAD FROM THE BEAT-UP LINE ON WEAVING LOOMS WITH SUCH A CLAMP

Publication

EP 0309012 B1 19911127 (FR)

Application

EP 88201571 A 19880720

Priority

BE 8700834 A 19870728

Abstract (en)

[origin: EP0309012A1] The pneumatic clamp, e.g for a thread in a weaving machine, consists of a tubular suction element (2) with a closed tip (6) and a suction intake (3) which is able to interact with a single thread (4). A guide surface (5) directs the thread into position in front of the intake. The guide surface is in the form of a V-section recess, with the intake in the base of the V. the suction can be provided by a single suction channel inside the tubular element, or by two channels - one an air feed channel and the other a return channel shaped to create the suction at the intake orifice. The clamp can also be equipped with a sensor element to detect a thread in front of the intake.

IPC 1-7

B65H 63/08

IPC 8 full level

B65H 63/08 (2006.01); D03D 51/08 (2006.01)

CPC (source: EP)

B65H 63/088 (2013.01); D03D 51/085 (2013.01); B65H 2701/31 (2013.01)

Designated contracting state (EPC)

CH DE FR IT LI

DOCDB simple family (publication)

EP 0309012 A1 19890329; EP 0309012 B1 19911127; BE 1000791 A4 19890404; DE 3866492 D1 19920109

DOCDB simple family (application)

EP 88201571 A 19880720; BE 8700834 A 19870728; DE 3866492 T 19880720