Method of making a compliant mandrel in a mandrel assembly for g

Details Method of making a compliant mandrel in a mandrel assembly for g Method of making a compliant mandrel in a mandrel assembly for g

1975-08-29

1978-10-31

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 467, 264257, 264271, A61B 1700, B29D 2704

Patent

active

041234863

ABSTRACT:
A mandrel of sponge rubber or gel has a tension element for withdrawing the mandrel from a graft tube grown from living tissue. In a first embodiment the tension element comprises a strip of cloth embedded in a sponge rubber mandrel. In a second embodiment the tension element comprises a rubber tube containing the sponge rubber and in a third embodiment the tension element comprises a rubber tube containing a gel. The mandrel assembly includes cloth reinforcing tubes surrounding the mandrel.

REFERENCES:
patent: 26429 (1859-12-01), Halvorson
patent: 1926653 (1933-09-01), Rynalski
patent: 2856934 (1958-10-01), Petillo
patent: 2962746 (1960-12-01), Heroy et al.

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