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US3586229A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for feeding webs

Assignee: Individual
•
Filing: 1968-07-18
•
Granted: 1971-06-22
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Expires: 1988-07-18
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Abstract

Abstract Inclining the axis of rotatable rollers which sandwich the edges of a web being fed therebetween to exert tension on the web as it moves between the rollers such that the center line of the inclined rollers extends outwardly of the web edge in a direction of the web feed.

Inventors

  • 👤 Masayuki Kamada
  • 👤 Yoshiaki Tamura
  • 👤 Akiwo Takanami
  • 👤 Akira Ikeda
  • 👤 Kinichi Araki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 12:19
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; G; G03; G03D; G03D13/00; G03D13/003; B65H2701/00; B65H2701/10; B65H2701/13; B65H2701/132

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 106 words
An apparatus for feeding a thin, pliant web along a section of determinate length comprising plural sets of paired rollers arranged at spaced intervals along both edges of said web, said sets of paired rollers sandwiching the edges of said web between the pairs of rollers and providing the sole support of said web along said section and means inclining the axis of one roller of each pair with respect to the other of said pair, outwardly from the edge of said web in the direction of feed to urge the edges of the web outwardly and thus provide lateral tension to the web during feeding.
Claim 2
Independent Claim 106 words
An apparatus for feeding a thin, pliant web along a section of determinate length comprising plural sets of paired rollers arranged at spaced intervals along both edges of said web, said sets of paired rollers sandwiching the edges of said web between the pairs of rollers and providing the sole support of said web along said section and means inclining the axis of one roller of each pair with respect to the other of said pair, outwardly from the edge of said web in the direction of feed to urge the edges of the web outwardly and thus provide lateral tension to the web during feeding.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-06-21 1974-12-21 1975-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-21 1978-12-21 1979-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-21 1982-12-21 1983-06-22 $7700.00 Window Closed / Lapsed

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