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US 5,356,682 AGranted
Ultrasonically spliced web
AssigneeEastman Kodak Company
InventorsWallace S. Stewart, James W. Morsch
Life of this patent
Estimating the term…
Abstract
Webs (12, 14) to be spliced are provided with end edges (24, 26) which are positioned with an overlap (38), covered by a metal buffer strip (60) and joined by application of ultrasonic energy (54, 62, 64).
Claims8
A spliced web formed by joining a trailing end of a first web to a leading end of a second web, the spliced web comprising:
- a transverse end edge on the leading end and a transverse end edge on the trailing end, each end edge being extended across the width of its respective web, at least one of the end edges having a length substantially exceeding the transverse width of its respective web, the at least one end edge comprising alternating fingers and spaces extended longitudinally of the web;
- the end edges being overlapped;
- and
- the material of the end edges having been locally melted to join the leading and trailing ends into a splice between the webs.
1 more element
Dependencies are inferred from the claim text.