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Synthetic resin bottle-shaped vessel

一种合成树脂、容器的技术，应用在合成树脂制瓶型容器领域，能够解决妨碍收缩等问题，达到抑制椭圆变形、提高减压强度、确保压曲强度的效果

Inactive Publication Date: 2008-11-12
YOSHINO KOGYOSHO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this case, the polygonal corner formed by the narrow groove bottom becomes a beam, which hinders the shrinkage of the bottle in the longitudinal direction by the groove, and requires relatively strict manufacturing control during blow molding, etc.

Method used

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  • Synthetic resin bottle-shaped vessel
  • Synthetic resin bottle-shaped vessel
  • Synthetic resin bottle-shaped vessel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] exist figure 1 Among them, reference numeral 1 denotes a bottle-shaped container made of polyethylene terephthalate (hereinafter referred to as "PET bottle") according to one embodiment of the present invention. The PET bottle 1 is sequentially connected by a mouth 2 , a trunk 3 and a bottom 4 , and the bottom 4 can stand on a support surface not shown in the figure. The trunk portion 3 has a shoulder portion 3a connected to the mouth portion 2, and four annular grooves 10 extending in the circumferential direction along its outer surface, arranged on the central axis A of the bottle 1 or the trunk portion 3 in this example. In-plane intersections at right angles. The body part 3 has a substantially cylindrical body wall as a whole.

[0023] In this embodiment, as shown in Figure 2, the annular groove 10 has a groove side wall 12a connected to the outer surface of the trunk portion 3 (shoulder portion 3a) from the groove bottom wall 11 to the mouth portion 2, The wal...

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PUM

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Abstract

A bottle-shaped synthetic resin container ( 1 ) includes a body portion ( 3 ), and a circumferential groove ( 10 ) extending along an outer surface of the body portion ( 3 ). The circumferential groove ( 10 ) is defined by a groove bottom wall ( 11 ) and groove side walls ( 12 a , 12 b) extending from the groove bottom ( 11 ) to the outer surface of the body portion ( 3 ). At least one of the groove side walls ( 12 a , 12 b) extends substantially linearly, as seen in a longitudinal-sectional plane including a center axis (A) of the body portion ( 3 ), and forms an angle (alpha, beta) of not more than 20° relative to a reference line (L) perpendicular to the center axis (A) of the body portion ( 3 ) in the longitudinal-sectional plane of the container ( 1 ).

Description

technical field [0001] The present invention relates to a synthetic resin bottle-shaped container having an annular groove extending along the surface of the body. Background technique [0002] In general, bottle-shaped containers made of synthetic resins such as polyethylene terephthalate (hereinafter referred to as [PET]) have a thinner body wall, so the internal pressure of the container drops. In this case, not only is the body deformed into an elliptical shape to damage the appearance, but also the self-supporting stability of the container tends to decrease along with the deformation of the body. In this regard, synthetic resin bottle-type containers are different from glass and aluminum in terms of adaptability to filling lines that allow the containers to slide and be transported on the bottom surface, and automatic vending machines that can accommodate and discharge multiple containers. Compared with the bottle-type container that constitutes, there is still room f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D1/02B65D1/42B65D1/44
CPCB65D1/0223Y10S215/90B65D2501/0036B65D1/02B65D1/14B65D1/16B65D1/40
Inventor 小泽知之饭塚高雄田边隆次
Owner YOSHINO KOGYOSHO CO LTD