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US 12,214,825 B2Granted
Flanged member
AssigneeSumitomo Heavy Industries, Ltd.
InventorsSatoshi Shimizu, Masayuki Ishizuka, Masayuki Saika, Norieda Ueno
Life of this patent
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Abstract
Provided is a flanged member that has a tubular shape and includes a flange portion, the flanged member including: a cross-section changing portion of which a cross-sectional shape changes along an axial direction of the flanged member, in which in any two cross-sections in the cross-section changing portion, a perimeter of one cross-section is 1.25 times or less a perimeter of the other cross-section.
Claims12
A flanged member that is obtained by hot blow forming a tubular body, has a tubular shape, and includes a flange portion, the flanged member comprising:
- a cross-section changing portion of which a cross-sectional shape changes along an axial direction of the flanged member,
- wherein the cross-section changing portion includes the flange portion,
- the flange portion is formed along the axial direction and has a width changing along the axial direction, and
- in any two cross-sections in the cross-section changing portion, a perimeter of one cross-section is 1.25 times or less a perimeter of the other cross-section.
1 more element
Dependencies are inferred from the claim text.