Textiles: cloth finishing – Expanding device for textile webs – Spreader
Patent
1984-10-15
1986-01-28
Mackey, Robert R.
Textiles: cloth finishing
Expanding device for textile webs
Spreader
242 565, 291214, D06C 306
Patent
active
045661626
ABSTRACT:
An improved stretcher/expander roller is disclosed. The roller includes a rigid core which is rotatably mounted downstream from where a traveling web is slit. An elastomeric covering around the core has at least one pair of helical lands formed in it which each spiral outwardly away from the center of the roller. The lands are inclined outwardly away from the center of the roller and progressively increase in flexibility from the center to the ends of the roller. The roller imparts axial forces on the web strips to simultaneously separate the web strips from one another and cross-stretch each web strip. The lands are made progressively more flexible by either progressively increasing the depth of the helical grooves between the lands, by progressively decreasing the helix angle of the lands, or by progressively decreasing the angle subtended by each land and the axis of the roller, from the center to the ends of the roller.
REFERENCES:
patent: 924595 (1909-06-01), Birch
patent: 1568401 (1926-01-01), Griffith
patent: 2717037 (1955-09-01), Goodwillie
patent: 2721739 (1955-10-01), Mursch et al.
patent: 3405855 (1968-10-01), Daly et al.
Chase, et al., "Flexible Roller for Spreading Webs", Research Disclosure, No. 177, 01/79, S 9052 0025.
"Flex Spreader--Never Pitches You a Curve", Samuel Bingham Co., Chicago, Ill.
"Wrinkle Problems? Cure Your Continuous Wrinkle Problems with a Bingham Mark II Flex Spreader Roll", Paper Film and Foil Converter, 11/1975.
"Arco Stretcher--Because Nobody Likes a Wrinkled Web", American Roller Co., Bannockburn, Ill.
American Roller Company
Mackey Robert R.
LandOfFree
Stretcher/expander roller does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Stretcher/expander roller, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Stretcher/expander roller will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1298916