Sealing roller and sealing roller element particularly for producing a tampon for feminine hygiene and method therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 25, 2003
Grant Date -
N/A
app pub date -
Jun 29, 2000
filing date -
Jun 30, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for thermally bonding a cover material onto an absorbent, fibrous web has a substantially cylindrical, rotatable sealing roller and a rotatable anvil roller disposed adjacent the sealing roller to provide a nip therebetween. The cover material and fibrous web can be sealed and calendered in the nip of this apparatus. The sealing roller includes a sealing element and an ironing element, and both of these elements have thermally conductive material and a leading and a trailing end in the direction of rotation. The sealing roller has at least one pair of sealing and ironing elements positioned sequentially on the circumferential surface of the sealing roller in the direction of rotation. At least one end of the ironing element is thermally insulated from an adjacent end of an adjacent sealing element.
First Claim
Family
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Cited Art Landscape
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