Method and device for the production of tubular structures...

Details Method and device for the production of tubular structures... Method and device for the production of tubular structures...

2003-05-15

2008-07-22

Koch, III, George R (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S175000, C156S174000, C156S351000, C156S360000, C156S361000

Reexamination Certificate

active

07402216

ABSTRACT:
A method for the production of reinforced tube-shaped structures (1) of rubber layers and reinforcement layers (2, 3) has the steps of:a) applying a first rubber layer (2a) with a first extrusion unit (4a) onto a series of sequential rigid cylindrical mandrels (5) which are coupled to each other and which are driven at an advancement speed (v) in the direction of an advancement axis (x);b) applying a first filament layer at defined desired filament angles (α1) referred to the advancement axis (x) with a bobbin creel unit (10a) having means which rotate about the advancing mandrels (5);c) applying atleast one further rubber layer (2b) to the first filament layer utilizing at least one additional extrusion unit (4b);d) continuously measuring the advancement speed (v) of the mandrels (5);controlling the quantity, which is applied via the first extrusion unit (4a), in dependence upon the measured advancement speed (v) in order to obtain a defined desired thickness of the first rubber layer (2a);f) controlling the rotational speed of the first bobbin creel unit (10a) during the rotation about the mandrels (5) in dependence upon the advancement speed (v) in order to obtain a filament layer having a defined desired filament angle (α1).

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