Process and apparatus for reed-beating and cutting off fillings

Details Process and apparatus for reed-beating and cutting off fillings Process and apparatus for reed-beating and cutting off fillings

1977-08-22

1979-03-13

Jaudon, Henry

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

139453, 139302, D03D 4734

Patent

active

041436849

ABSTRACT:
This invention relates to an improvement in the process for beating up and cutting off fillings inserted into the shed in shuttless weaving equipment provided with weft mixers, in particular in weaving machinery with filling insertion by means of grippers advancing into and retracting from the shed, the inserted filling being cut off on the insertion side outside the selvage, the improvement comprising that simultaneously with or following the beating up of the last inserted filling: (a) cutting off the previously inserted filling and seizing the free end, connected to a supply spool, by a holding system, (b) guiding the last inserted filling over the back of a scissor blade facing the shed to a catching hook mounted outside the scissors, (c) simultaneously with the back-motion of the shed, displacing the scissors transversely to the direction of the filling in an orthogonal plane and reopening them, the last inserted filling passing from the back of the scissor blade in front of the other scissor blade into the cutting position determined by the catching hook, and (d) guiding back the last inserted filling, by the scissors, into its initial position between the opened scissor blades. The invention also relates to an apparatus for performing the process.

REFERENCES:
patent: 3487436 (1969-12-01), Svaty et al.
patent: 3960186 (1976-06-01), Wheeler

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