초록

Apparatus is disclosed for the bonding together of two similarly shaped articles made of dissimilar thermoplastic materials, utilizing oscillator motion between the two articles combined with an external heat source to generate sufficient heat to form a hermetic seal therebetween.

대표청구항 ▼

Apparatus for oscillatory friction welding a thermoplastic polymer component to a component made of a dissimilar material, said apparatus comprising: a first holder adapted for securing a first component to be welded, comprising first holding means and a first receptacle for receiving said first com

Apparatus for oscillatory friction welding a thermoplastic polymer component to a component made of a dissimilar material, said apparatus comprising: a first holder adapted for securing a first component to be welded, comprising first holding means and a first receptacle for receiving said first component; said first holder being mounted on a tool adapted for axial sliding movement; said tool being mounted on a carrier assembly; oscillator means connected to said first tool and said carrier assembly and arranged to oscillate said first tool axially with respect to said carrier assembly; a second holder secured to a spindle mount and adapted for holding a second article to be welded to said first article, said second holder being axially aligned with said first holder in close proximity thereto, and comprising a receptacle for receiving said second article; means for moving said first and second holders in axially reciprocating movement toward and away from each other; and an external heat generator mounted in close proximity to at least one of said holders and arranged to direct heat against a welding surface of a component held in said close proximity holder.