Method for making reinforced flexible ducting

Details Method for making reinforced flexible ducting Method for making reinforced flexible ducting

1995-01-27

1998-01-20

Engel, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156171, 156179, 156432, B65H 8100

Patent

active

057097623

ABSTRACT:
Disclosed are an apparatus for manufacturing flexible, reinforced ducting, a method for making flexible, reinforced ducting and a flexible, reinforced ducting article of manufacture. A wheel carrying spools of reinforcing string rotates at a rate synchronous to a mandrel preparing a laminated ducting wall to lay down a longitudinal string reinforcement between the layers of the laminated wall.

REFERENCES:
patent: 2405909 (1946-08-01), Smith et al.
patent: 3230123 (1966-01-01), Christensen
patent: 3457130 (1969-07-01), Morrison
patent: 3470051 (1969-09-01), Meyer
patent: 3663330 (1972-05-01), Sager
patent: 4106968 (1978-08-01), Kutnyak et al.
patent: 4459168 (1984-07-01), Anselm

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