US PATENT SUBCLASS 65 / 91
.~.~.~ With application of lateral tension to edge portion of moving sheet

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

17.1  DF  PROCESSES {32}
66  DF  .~ Forming product or preform from molten glass {7}
90  DF  .~.~ Sheet {7}
91.~.~.~ With application of lateral tension to edge portion of moving sheet

DEFINITION

Classification: 65/91

(under subclass 90) Processes which include the step of applying, in a lateral direction, a force or pull to the lateral edges of a sheet during movement thereof to usually (1) maintain constant sheet width, or (2) to prevent formation of surface irregularities.

SEE OR SEARCH THIS CLASS, SUBCLASS:

199+, for a sheet drawing apparatus with width maintaining and/or lateral stretching means.