EP 0417119 B1 19921216 - PROCESS FOR MAKING A SEAM
Title (en)
PROCESS FOR MAKING A SEAM
Publication
Application
Priority
DE 3819059 A 19880604
Abstract (en)
[origin: WO8912130A1] In a known sewing machine, the needle thread is not actually severed when the griffer thread runs out. Instead, a gap exists between the point of connection of the needle thread with the end of the old gripper thread and that of the needle thread with the new griffer thread. The aim of the invention is therefore to eliminate this weak point in the seam on the side facing the griffer. After a break in, or end of, a thread, the material stitched is moved backward by one stitch length, a new griffer thread is advanced and knotted by at least one stitch with the needle thread in the same stitching hole, in which the old griffer thread is also knotted in correct sequence with the needle thread. The process is suitable for making seams with sewing machines.
IPC 1-7
IPC 8 full level
D05B 1/12 (2006.01); D05B 51/00 (2006.01); D05B 59/02 (2006.01); D05B 69/20 (2006.01); D05B 69/36 (2006.01)
CPC (source: EP KR US)
D05B 51/00 (2013.01 - EP US); D05B 69/20 (2013.01 - EP US); D05B 69/22 (2013.01 - KR)
Designated contracting state (EPC)
IT
DOCDB simple family (publication)
WO 8912130 A1 19891214; BR 8907469 A 19910521; DE 3819059 A1 19891214; DE 3819059 C2 19900426; EP 0417119 A1 19910320; EP 0417119 B1 19921216; ES 2014142 A6 19900616; JP H04504961 A 19920903; KR 900702117 A 19901205; US 5078068 A 19920107
DOCDB simple family (application)
EP 8900473 W 19890428; BR 8907469 A 19890428; DE 3819059 A 19880604; EP 89905090 A 19890428; ES 8901923 A 19890602; JP 50489489 A 19890428; KR 900700163 A 19900129; US 62337291 A 19910103