Title:
PACKAGING BAG WITH ENGAGING HOLE
Document Type and Number:
Japanese Patent JP2588801
Kind Code:
B2
Abstract:
PURPOSE: To provide a packaging bag with engaging hole which does not have a fin shaped heat-welded band in the longitudinal direction on the back surface, and for which tear or damage at the engaging hole for suspension is hard to be generated.
CONSTITUTION: Both edge ends of a raw material sheet are butted or put together along the central line in the longitudinal direction on the bag surface of a bag main body 1 after bag making, and at the same time, a heat-weldable tape 2 is arranged on the inner surface side at the butted or put together part, and heat-welding is performed to form a heat-welded band 3 in the longitudinal direction on the back surface. A heat-weled band 4 in the width direction at the top part is formed at the top part of the bag main body 1. In addition, an engaging hole 5 is provided at the overlapped part between the heat-welded band 4 in the width direction at the top part and the heat-welded band 3 in the longitudinal direction on the back surface.
Inventors:
NAKANO KATSUMI
YAMASHITA JUJI
YAMASHITA JUJI
Application Number:
JP19698991A
Publication Date:
March 12, 1997
Filing Date:
July 10, 1991
Export Citation:
Assignee:
MEIWA PATSUKUSU KK
International Classes:
B65D33/14; (IPC1-7): B65D33/14
Attorney, Agent or Firm:
Seishi Oishi