Title:
EASY-OPEN CONTAINER AND ITS CLOSURE ASSEMBLY
Document Type and Number:
Japanese Patent JP2005154015
Kind Code:
A
Abstract:
To suppress that junction becomes strong to a degree to which the mating section of an ionomer heat seal material used for sealing becomes difficult to remove a film closure from a metal end section due to aging.
The container 10 is provided with a container body 100 with an top opening which is demarcated is surrounded by a seal face and a closure 30 to be sealed on the seal face with a heat seal material containing a blend of two kinds of acidic ionomers having a high acid content and a low acid content and thereby having an intermediate acid content in the acid contents of the two kinds of ionomers. The heat seal finally formed by this heat seal material has an oil resistance and an age-up (enhanced adhesion) which are well balanced.
Inventors:
VARADARAJAN KRISHNARAJU
Application Number:
JP2004339555A
Publication Date:
June 16, 2005
Filing Date:
November 24, 2004
Export Citation:
Assignee:
SONOCO DEV INC
International Classes:
B32B27/06; B65D53/00; B65D17/50; B65D51/20; B65D77/20; C08L23/00; C08L23/08; (IPC1-7): B65D53/00
Attorney, Agent or Firm:
Yoshiyuki Kawaguchi
Hidemi Matsukura
Yutaka Nagata
Tsutomu Toyama
Hidemi Matsukura
Yutaka Nagata
Tsutomu Toyama