F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 7/00 (2006.01) B29C 37/00 (2006.01) B29C 45/14 (2006.01) B29C 65/42 (2006.01) B29C 65/70 (2006.01) F16S 3/04 (2006.01) F16S 3/06 (2006.01)
Patent
CA 2462763
A tubular assembly which includes a first (or outer) tube (12), a second (or inner) tube (21) and a plug (42) within the second tube (21) is described. The plug (42) resides within at least a portion of the second tube (21), which itself resides within a portion of the first tube (12). The first (12) and second (21) tubes each have perforations (15, 24), at least some of which are aligned. The plug (42) has cavities (45) in its exterior surface (48), at least some of which are aligned with the aligned perforations (36). Plastic material (e.g., thermoplastic material) is molded through aligned perforations (36) and at least partially fills aligned cavities (45). The edges (39) of aligned perforations (36) are embedded in the plastic material (53) molded therethrough. The plastic material (53) extending through aligned perforations (36), into cavities (45) and embedding perforation edges (39) therein, serves to fixedly attach the first tube (12), second tube (21) and plug (42) together.
Bayer Polymers Llc
Lanxess Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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