Global patent index - EP 0985522 A1

EP 0985522 A1 2000-03-15 - Bag making method

Title (en)

Bag making method

Title (de)

Verfahren zum Herstellen von Beuteln

Title (fr)

Procédé de fabrication de sachets

Publication

EP 0985522 A1 (EN)

Application

EP 99120690 A

Priority

  • EP 96305921 A
  • US 52205395 A
  • US 52248095 A

Abstract (en)

A bag (10) includes a first panel (12) with at least one access hole (30) in it, and a second panel (14) without a hole corresponding to the at least one hole of the first panel. Preferably, two holes are present, more preferably near the bag mouth. The panels are substantially equal in length. The bag can be easily opened by bag opening means, without the need for vacuum or air to open the bag. According to the invention, a method for making such a bag includes the steps of: a) providing the lay-flat tubing (40) in a first lay-flat orientation; b) advancing the lay-flat tubing such that at least a portion of the lay-flat tubing is reoriented to a position at a right angle to its first lay-flat orientation; c) making the hole (30) in the reoriented tubing; d) further advancing the tubing (40) while reorienting the tubing back to its first lay-flat orientation; and e) sealing and cutting the reoriented tubing to make a bag (10) having a hole (30a) in a panel of the bag. <IMAGE>

IPC 1-7 (main, further and additional classification)

B31B 1/14; B31B 23/00

IPC 8 full level (invention and additional information)

B31B 1/14 (2006.01); B31B 23/00 (2006.01); B65B 43/28 (2006.01); B65D 33/00 (2006.01)

CPC (invention and additional information)

B65B 43/28 (2013.01); B31B 1/14 (2013.01); B31B 23/00 (2013.01); B65D 33/007 (2013.01); B31B 2237/10 (2013.01); B31B 2237/403 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

EPO simple patent family

EP 0761554 A1 19970312; EP 0761554 B1 20010314; AR 003396 A1 19980708; AT 199692 T 20010315; AT 217575 T 20020615; CA 2183831 A1 19970301; CA 2183831 C 20050726; DE 69612046 D1 20010419; DE 69612046 T2 20010719; DE 69621261 D1 20020620; DE 69621261 T2 20020919; EP 0985522 A1 20000315; EP 0985522 B1 20020515; ES 2155922 T3 20010601; MX 9603577 A 19970628

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