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US3669795A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for making a laminated body of pliable thin layer materials

Assignee: Polymer Processing Research Institute Ltd
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Filing: 1970-03-09
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Granted: 1972-06-13
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Expires: 1990-03-09
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Abstract

Abstract Method for making a laminated body of pliable thin layer materials obtained wholly or mainly from a uniaxially stretched film piled in lengthwise and crosswise directions which comprises at least one cycle of steps of (1) supplying a pliable thin layer material obtained wholly or mainly from uniaxially stretched film continuously from the crosswise direction as a weft above another pliable thin layer material running continuously in the lengthwise direction as a warp, (2) nipping the end of the weft by a pair of holders one from upward and the other from downward at the feeding side of the weft, (3) moving the nipped weft by a distance substantially equal to the width of the warp in crosswise direction, (4) cutting the weft into pieces one after another so as to make the length of each piece substantially equal to the width of the warp above the salvage of the warp at thefeeding side, (5) freeing the nipped end of the weft above the other salvage of the warp to allow the cut pieces to fall on the warp, one after another, intermittently to form a piled layer without leaving gaps between each successive weft.

Inventors

  • 👤 Masahide Yazawa
  • 👤 Haruhisa Tani

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:48
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; B32B27/00; B32B27/06; B32B27/08; B32B5/02; B32B5/12; B32B7/00; B32B7/04; B32B7/12; D; D04; D04H; D04H13/00; B32B38/00; B32B38/0012; B32B2038/0028; B32B2323/00; B32B2323/04; B32B2323/043; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/1077; Y10T156/1089; Y10T156/1092; Y10T156/1097; Y10T156/1098

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-06-13 1975-12-13 1976-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-13 1979-12-13 1980-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-13 1983-12-13 1984-06-13 $7700.00 Window Closed / Lapsed

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