Machines for making welted openings in a piece of material...

Details Machines for making welted openings in a piece of material... Machines for making welted openings in a piece of material...

D - Textiles, Paper

05

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342/11

D05B 19/00 (2006.01) D05B 3/10 (2006.01) D05B 21/00 (2006.01) D05B 37/00 (2006.01)

Patent

CA 1135818

ABSTRACT A machine for making welted openings in a piece of material or similar, comprises control means arranged so as to cause it to make, in a pre-established sequence and cyclically, a succession of welted openings having different lengths requiring respectively single and identical manual actions for starting up. The control means comprise : - input means for feeding in initially and in the pre-established sequence information concerning the lengths of the different welted openings to be made, - memory means for memorizing the set of length data fed in, - selection means combined with memory means so as to select successively in the pre-established sequence the lengths of the welted open- ings to be made, - and monitoring means under the control of the selection means for, once the machine has been started up, checking the movement of cutting, stitching and notching members with respect to the selected length.

318454

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