US2015375288A1PendingUtilityA1
Closed structure parts, method and press forming apparatus for manufacturing the same
Est. expirySep 25, 2028(~2.2 yrs left)· nominal 20-yr term from priority
B21D 39/03B30B 7/04B21D 39/02B23K 1/00B21D 47/01B23K 1/18B21D 22/26B21D 39/037B21D 39/048B21D 39/00B23K 1/16B21D 39/04B23K 1/14B21D 5/10
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Claims
Abstract
A closed structure part includes a body having a predetermined closed section formed by pressing a blank of a metal plate; and a latch flange portion formed by bending one of two joint ends of the body so that the joint end overlaps an outer surface of the other joint end and latches the other joint end, wherein the joint end and the other joint end overlap in contact and are respectively disposed in singular and continuous planes.
Claims
exact text as granted — not AI-modified1 . A closed structure part comprising:
a body having a predetermined closed section formed by pressing a blank of a metal plate; and a latch flange portion formed by bending one of two joint ends of the body so that the joint end overlaps an outer surface of the other joint end and latches the other joint end, wherein the joint end and the other joint end overlap in contact and are respectively disposed in singular and continuous planes.
2 . The closed structure part according to claim 1 , wherein the latch flange portion latches the joint end against an elastic restoring force of the blank.
3 . The closed structure part according to claim 1 , wherein a width of the latch flange portion is set to a value greater than or equal to a thickness of a blank and less than or equal to 25% of the entire circumference of the cross section of the closed structure part.Join the waitlist — get patent alerts
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