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US5064081A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure resistant polygonal bottle-shaped container having a polygonal bottom

Assignee: Yoshino Kogyosho Co Ltd
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Filing: 1991-03-28
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Granted: 1991-11-12
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Expires: 2011-03-28
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Abstract

Abstract A pressure resistant bottle-shaped container having a body including panels surrounded by outer sheaths, characterized in that each panel has stress absorbing strips comprising vertexes recessed from the outer surface of the panel toward the interior of the container and bending lines formed in V shape and inverted V shape from the vertexes toward the outer sheaths. Thus, the container does not retain permanent deformation by the deformations resulting from pressure changes at the time of filling high temperature liquid content.

Inventors

  • 👤 Yoshiaki Hayashi
  • 👤 Yukio Koshidaka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 10:23
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/40; B65D1/42; B65D1/02; B65D1/0223; B65D79/00; B65D79/005; B65D79/008; B65D79/0084; B65D2501/00; B65D2501/0009; B65D2501/0018; B65D2501/0036; B65D2501/0081

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 145 words
A pressure-resistant bottle-shaped container having a body with an outer surface including panels surrounded by outer sheaths, each panel having a longitudinal height and a transverse width ad including stress absorbing zones defined by vertexes recessed from the outer surface of the panel toward an interior of the container and bending lines formed in V shape and inverted V shape in mirror-image confronting relationship from the vertexes toward the outer sheaths, wherein the cross-sectional shape of the body of said container is polygonal, having a number of body sides, and the cross-sectional shape of a bottom of a peripheral end of a bottom wall of the container is regular polygonal, having a number of bottom sides equal to an integer times said number of body sides of said body, said integer being greater than one, so that each portion of the bottom is uniformly oriented.
Claim 2
Dependent Claim 145 words
A pressure-resistant bottle-shaped container having a body with an outer surface including panels surrounded by outer sheaths, each panel having a longitudinal height and a transverse width ad including stress absorbing zones defined by vertexes recessed from the outer surface of the panel toward an interior of the container and bending lines formed in V shape and inverted V shape in mirror-image confronting relationship from the vertexes toward the outer sheaths, wherein the cross-sectional shape of the body of said container is polygonal, having a number of body sides, and the cross-sectional shape of a bottom of a peripheral end of a bottom wall of the container is regular polygonal, having a number of bottom sides equal to an integer times said number of body sides of said body, said integer being greater than one, so that each portion of the bottom is uniformly oriented.
Claim 3
Dependent Claim 31 words
The pressure-resistant bottle-shaped container according to claim 1, wherein the cross-sectional shape of the body of said container is substantially square, and the cross-sectional shape of the bottom is regular octagonal.
Claim 4
Dependent Claim 42 words
The pressure-resistant bottle-shaped container according to claim 1, wherein the cross-sectional shape of said bottom is regular polygonal, having a number of sides equal to 2 x equal to or greater than one, times said number of body sides of said body.
Claim 5
Dependent Claim 85 words
The pressure-resistant bottle-shaped container according to claim 1, wherein each of said panels includes a deforming portion, a bottom line is formed longitudinally on a longitudinal center line of said deforming portion, valley lines are formed in V shape and inverted V shape from the vertexes at both ends of the bottom line toward outer sheaths of the panel, and panel surfaces are defined by said bottom line, said valley lines and said sheaths formed on oblique walls inclined toward an interior of said container.
Claim 6
Dependent Claim 39 words
The pressure-resistant bottle-shaped container according to claim 4, wherein the length of the bottom line is approx. 1/1.7 of a longitudinal length of the deforming portion, and the bottom line is disposed at a center of said deforming portion.
Claim 7
Dependent Claim 18 words
The pressure-resistant bottle-shaped container according to claim 4, wherein said deforming portion is surrounded by a recessed groove.
Claim 8
Dependent Claim 18 words
The pressure-resistant bottle-shaped container according to claim 6, wherein grooves are formed above and below the deforming portion.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-11-11 1995-05-13 1995-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-11-11 1999-05-13 1999-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-11-11 2003-05-13 2003-11-12 $7700.00 Window Closed / Lapsed

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