Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1995-09-12
1998-08-11
Dye, Rena L.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 3691, 428 3692, 428 357, 138121, 138137, 138141, F16L 1111
Patent
active
057925321
ABSTRACT:
Polymer tubing, made of at least one polymer layer, has a partial section of the tubing which is corrugated and wherein the rings formed by the corrugations extend around the tube axis, with the corrugations being embodied at least partially in an oval shape or in the shape of an ellipse or in the form of a circle, which is flattened on one side.
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patent: 4236509 (1980-12-01), Takashi et al.
patent: 4327776 (1982-05-01), Meserole
patent: 4424834 (1984-01-01), Sumi et al.
patent: 4647416 (1987-03-01), Seiler et al.
patent: 5279332 (1994-01-01), Winter et al.
patent: 5407300 (1995-04-01), Guindon et al.
Dye Rena L.
Ems-Inventa AG
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