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Title:
HEAT-SHRINKABLE PACKAGED BODY
Document Type and Number:
Japanese Patent JPH0418264
Kind Code:
A
Abstract:

PURPOSE: To obtain a heat-shrinkable packaged body with a beautiful appearance which can be easily opened by making perforation and an applied part of an anti-static agent or anti-blocking agent exist at the lapped part of an envelope, which is sealed by static-electric sealing.

CONSTITUTION: At a lapped part 4 of both edges of a pasted envelope of a heat- shrinkable synthetic resin film, a perforation 2 and an applied part 3 of an anti-static agent or anti-blocking agent are provided, and at the pasted and lapped part 4 of the envelope, static-electric sealing is applied, and the front and back of an object to be packaged are fusion-sealed 5. At the pasted and lapped part 4 of the envelope, a range with a specified width l from the end of the outer side film edge A is a first lap zone 4a, and in this zone 4a, between adhering surfaces of both film edges A, B, the applied part 3 of an anti-static agent or anti-blocking agent is formed, and at a second lap zone 41 which is the remaining part of the pasted and lapped part 4 of the envelope, the perforation 2 is formed. While the packaged body is han dled, tearing of bag is hard to be generated, and on the contrary, when the packaged object is taken out, the packaged body can be easily opened from the pasted and lapped part of the envelope sealed by static-electric sealing, and in addition, the sealed part is transparent and gives a beautiful appearance.


Inventors:
OISHI KENJI
Application Number:
JP11931990A
Publication Date:
January 22, 1992
Filing Date:
May 08, 1990
Export Citation:
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Assignee:
OKURA INDUSTRIAL CO LTD
International Classes:
B65D71/08; B65B53/02; B65D75/58; B65D75/62; B65D75/00; (IPC1-7): B65D75/62
Attorney, Agent or Firm:
Hiroshi Ohama