Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1993-01-05
1994-11-29
Vargot, Mathieu
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
2642978, 264322, 264339, 264259, 604905, B29C 6518, A61M 500
Patent
active
053688015
ABSTRACT:
The method of mounting a disc-shaped septum within a connector includes a step of deforming a thin annular wall at the end of the connector into a curled over shape so as to secure the septum in place. Curling over of these wall occurs under heat energy which is applied only to the end of the connector without heating of the main body of the connector. Deformation of the thin end wall of the connector causes an outward bulging of a peripheral edge of the connector as well as bulging of the opposite ends of the connector into a domed shape.
REFERENCES:
patent: 4219912 (1980-09-01), Adams
patent: 4294249 (1981-10-01), Sheehan et al.
patent: 4551292 (1985-11-01), Fletcher et al.
patent: 4735311 (1988-04-01), Lowe et al.
patent: 4874369 (1989-10-01), Kulle et al.
patent: 5126090 (1992-06-01), Egolf et al.
Hand Francis C.
Vargot Mathieu
VLV Associates
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