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EP0409544A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Belt-like bag bodies

Assignee: Bridgestone Corp
•
Filing: 1990-07-16
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Granted: —
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Expires: 2010-07-16
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Abstract

Abstract A belt-like bag body (11, 31) comprises a belt-like rubber sheet (12), a non-adhesion region (13) looated at a central portion of the rubber sheet and capable of separating the rubber sheet into upper and lower portions (12a, 12b) and a reinforcing iayer (15) reinforcing the outer surface of the rubber sheet, wherein a notch (19) or gap (33) having a convexly arc portion (19a, 33a) outward in the widthwise direction is arranged in the vioinity of a widthwise end (13a) of the non-adhesion region in the rubber sheet.

Inventors

  • 👤 Kimiyoshi Watanabe
  • 👤 Seigi Yamase

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 09:20
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/08; B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/35; E02B15/0857; E02B15/0864; E02B7/00; E02B7/005

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 101 words
A belt-like bag body (11, 31) comprising a belt-like rubber sheet (12), a non-adhesion region (13) located at a central portion in the thickness direction of the rubber sheet to extend toward the widthwise direction and capable of separating the rubber sheet into upper and lower portions (12a, 12b), and a reinforcing layer (15) reinforcing the outer surface of the rubber sheets characterized in that a notch (19) or gap (33) having a convexly arc portion (19a, 33a) outward in the widthwise direction is arranged in the vicinity of a widthwise end (13a) of the non-adhesion region in the rubber sheet.
Claim 2
Dependent Claim 101 words
A belt-like bag body (11, 31) comprising a belt-like rubber sheet (12), a non-adhesion region (13) located at a central portion in the thickness direction of the rubber sheet to extend toward the widthwise direction and capable of separating the rubber sheet into upper and lower portions (12a, 12b), and a reinforcing layer (15) reinforcing the outer surface of the rubber sheets characterized in that a notch (19) or gap (33) having a convexly arc portion (19a, 33a) outward in the widthwise direction is arranged in the vicinity of a widthwise end (13a) of the non-adhesion region in the rubber sheet.
Claim 3
Dependent Claim 26 words
A belt-like bag body as claimed in claim 1, characterized in that said notch or gap is contacted with said widthwise end of the non-adhesion region.

References Cited (Backward Citations)

FR2401276A1 Cited
GB2030624A Cited

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