Bottles and jars – Sidewall structure – Contoured sidewall
Reexamination Certificate
2006-05-30
2006-05-30
Weaver, Sue A. (Department: 3727)
Bottles and jars
Sidewall structure
Contoured sidewall
C215S382000, C220S672000, C220S675000
Reexamination Certificate
active
07051890
ABSTRACT:
The technical problem of this invention is to eliminate the need to use deformable panel walls and to find the body of a shape that no false deformation, such as dented deformation, takes place in a portion of the body due to the hot filling of the contents or the reduced pressure created by the treatment of retort-packed foods. The object of this invention is to obtain a bottle that can inhibit the deformation caused by reduced pressure, has a high buckling strength, and is good in outer appearance. As the solution, there is provided a biaxially drawn, blow-molded bottle made of a synthetic resin, in which the surface rigidity of the wall of body is set in such a manner that a part of the body wall cannot become dented inward under a reduced inner pressure of at least 350 mmHg (46.7 kPa).
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Asari Tsutomu
Iizuka Takao
Nakayama Tadayori
Onoda Yuko
Ozawa Tomoyuki
Oliff & Berridg,e PLC
Weaver Sue A.
Yoshino Kogyosho Co. Ltd.
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