Mandrel assembly for manufacturing tubular products

Details Mandrel assembly for manufacturing tubular products Mandrel assembly for manufacturing tubular products

2005-06-27

2009-06-23

Ross, Dana (Department: 3725)

Metal deforming

By tool-couple pressing together adjacent surface portions...

To form helically-seamed tube

C072S149000

Reexamination Certificate

active

07549310

ABSTRACT:
A mandrel assembly for manufacturing a tubular product, including: a first plate, a cantilever drive roller extending from the first plate, at least one cantilever idler roller extending from the first plate, and mechanism for rotating the drive roller whereby, in use, a strip may be engaged and advanced by the driver roller to the at least one idler roller and thereby wound about the rollers to form a tubular product.

REFERENCES:
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patent: 4438643 (1984-03-01), Menzel et al.
patent: 4957586 (1990-09-01), Keldany et al.
patent: 5945138 (1999-08-01), Wise et al.
patent: 2827211 (2003-01-01), None
patent: 56101832 (1981-08-01), None
patent: 11218268 (1999-08-01), None
patent: 11248055 (1999-09-01), None
patent: 2157761 (2000-10-01), None
patent: 414129 (1974-07-01), None
patent: WO 99 20457 (1999-04-01), None

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