B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
B31B 1/25 (2006.01) B31F 1/10 (2006.01)
Patent
CA 2175984
The purpose is to use a special female die 3 as shown in Fig. 4 to provide creases 22 in parallel with the flutes 23 that can be accurately folded. As shown in Fig. 4, a number of cross channels 35 are cut at right angles to the channel 34 with a spacing between any two adjacent ones in a conventional female die 3.
Horiba Yasuyuki
Urabe Toshinaga
Horiba Yasuyuki
Mcfadden Fincham
Urabe Toshinaga
LandOfFree
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