Expander and guider roller

Details Expander and guider roller Expander and guider roller

1986-01-31

1987-04-14

Mackey, Robert R.

Textiles: cloth finishing

Expanding device for textile webs

Web-condition-responsive operation control

26 99, 226 15, D06C 306

Patent

active

046567020

ABSTRACT:
An expander roller comprises a straight shaft, rotary disk groups having a plurality of rotary disks rotatably put on said shaft, and a stretchable and resilient cylindrical member closely fitted on said rotary disk groups.
The rotary disk groups are formed by left- and right-hand rotary disk groups of which respective rotary disks are inclined in the opposite directions from the center to the both ends of said shaft, the inclination angles of the respective rotary disks in each group being gradually increased in the direction from the center to each end of said shaft.
With the rotation of the rotary disks by the travelling force of a travelling article, the resilient cylindrical member is rotated as being expanded and contracted along its entire width in the opposite directions from the center to the both ends of said member. The travelling article is expanded with expansion of the resilient cylindrical member.

REFERENCES:
patent: 1716555 (1929-06-01), Kane
patent: 1738700 (1929-12-01), Hadwin
patent: 2164241 (1939-06-01), Hall, Jr.
patent: 2562949 (1951-08-01), Robertson
patent: 3392431 (1968-07-01), Bisang
patent: 3731357 (1973-05-01), Shirai

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