| 摘要 |
1,215,078. Snap fasteners. SCOVILL MFG. CO. 29 Nov., 1968 [8 Dec., 1967], No. 56922/ 68. Heading E2B. A snip fastener assembly made of plastics material comprises a socket element having a constricted entrance opening 10 and a stud element, each element is attached to a post by the riveting over at 22, of a partially hollow stem of the post, and mating surfaces of each element and a post have cooperating circularly arranged nibs 25 and a circular groove 26, respectively. |
