Patent ID: 11945352
Assignee: ARCHEM INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 11:
12. A porous structural body made of flexible resin or rubber, the porous structural body comprising:
a skeleton part that defines a plurality of cell holes; and
a top skin part that is formed on at least part of an outer side of the skeleton part and integrated with the skeleton part to block at least some of the plurality of cell holes, at least part of an outer side of the top skin part being a surface,
wherein the skeleton part includes
a plurality of bone parts, and
a plurality of connection parts connecting end parts of the plurality of bone parts,

the skeleton part includes a first cell defining part that defines a first cell hole inside,
the first cell defining part includes a plurality of first annular parts having annular shapes,
the plurality of first annular parts are coupled with each other so that first virtual surfaces defined by inner periphery side edge parts of the respective first annular parts do not intersect with each other,
the first cell hole is defined by the plurality of first annular parts and the plurality of first virtual surfaces defined by the plurality of respective first annular parts, and
each first annular part is constituted by a plurality of the bone parts and a plurality of the connection parts.