Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Reshaping running or indefinite-length work
Patent
1998-07-20
2000-06-13
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Reshaping running or indefinite-length work
264322, 264327, 264346, 264348, 264519, 264555, 425384, 425391, 425403, B29C 3506, B29C 3516, B29C 5360, B29C 5384
Patent
active
060745924
ABSTRACT:
A method and associated apparatus in which decorative ribbons of varying thickness, width, and material can be automatically curled. The apparatus serves to impart a tendency to curl the strand in a helical formation by drawing the ribbon in a helical path around a curling tube. The tube is divided into two parts, so that the first part heats the ribbon while in a helical configuration and the second part cools the ribbon while still in the helical configuration, thereby setting into the ribbon material a tendency to curl. The helical path on the tube is defined between convolutions of a helically-wound fin on the exterior of the tube. The tube is hollow and has apertures opening into the helical path, so that temperature-controlled air may be blown into the two parts of the path through the hollow interior of the tube.
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Berwick Delaware, Inc.
Poe Michael I.
Silbaugh Jan H.
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