B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
164/25, 164/51
B23D 31/00 (2006.01) B23D 21/00 (2006.01) B23D 25/04 (2006.01)
Patent
CA 1274169
ABSTRACT OF THE DISCLOSURE A method and apparatus for severing successive lengths of tubing in a die set in which the movement of an upper die shoe is translated by mechanism to clamp the tubing on a lower die shoe, move a notching blade across the clamped tubing to slot the tubing, and pass a cutoff blade through the slot to sever the tubing. Use of a lever arm pivoted to one of the die shoes in combination with a cam on the other die shoe optimizes horizontal movement of the notching blade relative to vertical movement of the die shoes. In a preferred form, the cutoff blade is passed through a slot in the notching blade holder. The die set can be used in apparatus where the tubing is intermittently supplied, or, as in a tabling mill, a continuous length of tubing is moved during the severing process.
524651
Bielawski Billy J. SR.
Pavelec John
Riera John
Bielawski Billy J. SR.
Borden Ladner Gervais Llp
Pavelec John
Riera John
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