Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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B21C
MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
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37/00
Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
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B21C37/06
of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
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B21C37/10
Making tubes with; seams being neither welded nor soldered, e.g.; riveted seams
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B21C37/102
of coated strip material; Making multi-wall tubes
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B21C37/102

Methods for making layered tubular structures
11779981 · 2023-10-10 · ·

A process for winding a convolutely wound tubular structure having a machine direction, a cross-machine direction coplanar thereto, and a Z-direction orthogonal to both the machine- and cross-machine directions is disclosed.

METHODS FOR MAKING LAYERED TUBULAR STRUCTURES
20200282440 · 2020-09-10 ·

A process for winding a convolutely wound tubular structure having a machine direction, a cross-machine direction coplanar thereto, and a Z-direction orthogonal to both the machine- and cross-machine directions is disclosed.