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Preformed product and container

A technology of preformed products and container bodies, which is applied in the directions of bottle/container caps, capping containers tightly with caps, bottles, etc., and can solve problems such as cap ring falling off and container neck clamps falling off, etc.

Active Publication Date: 2009-09-30
DAI NIPPON PRINTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the container tends to drop from the neck clamp inserted between the flange portion 113 and the pawl 114 during transportation in the manufacturing process.
In addition, after the cap is opened, the ring of the cap tends to go over the pawl 114 and fall off from the mouth 111.

Method used

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  • Preformed product and container
  • Preformed product and container
  • Preformed product and container

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0059] Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

[0060] figure 1 It is a front view showing the preform of this embodiment, figure 2 is a plan view showing the preform of this embodiment ( figure 1 II direction view). image 3 is a vertical sectional view showing a preform of this embodiment ( figure 2 III-III line sectional view), Figure 4 is a horizontal sectional view showing a preform of this embodiment ( figure 1 IV-IV line sectional view). Figure 5 yes figure 1 Enlarged view of part V of Figure 6 is a vertical section view of the cap. Figure 7 It is a vertical sectional view showing the container and assembly of this embodiment, Figure 8 It is a figure showing the manufacturing method of a preform, a container, and an assembly. Figure 9 is a diagram showing neck clamps for conveying containers, Figure 10 It is a partially enlarged cross-sectional view showing the container and the ca...

no. 2 Embodiment approach

[0096] Next, refer to Figure 12 to Figure 16 A second embodiment of the present invention will be described.

[0097] here, Figure 12 It is a front view showing the preform of this embodiment, Figure 13 is a vertical sectional view showing a preform of this embodiment ( Figure 12 XIII-XIII line sectional view). Figure 14 yes Figure 12 Enlarged view of Part XIV, Figure 15 It is a vertical sectional view showing the container and assembly of this embodiment. Figure 16 It is a partially enlarged cross-sectional view showing a container and a cap in which the cap main body and the ring are separated. exist Figure 12 to Figure 16 The second embodiment shown differs in that the lower surface of each pawl is spaced apart from the groove upper surface of the circumferential groove portion, and other configurations are substantially the same as those of the above-mentioned first embodiment. exist Figure 12 to Figure 16 in, for with Figure 1 to Figure 11 The same re...

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Abstract

The present invention provides a preformed product which does not fall in the conveying of manufacturing process and has a ring that does not easily fall off from an opening after being opened. The preformed product (10) is provided with the opening (11), a preformed product body (12) and a flange part (13) which is formed between the opening (11) and the preformed product body (12). The periphery of the opening (11) is formed with a male thread part (14) on a female thread part (25) clamped on the inner surface of a cap (20). A plurality of pawls (15) are installed with a preset interval along a circumferential direction on a position between the male thread part (14) and the flange part (13) in the periphery of the opening (11). The pawls (15) are clamped at a projection (28) on the inner surface of the ring (22) of the cap (20) thereby disconnecting the ring (22) from the cap body (21). A circumferential slot part (17) which dents inwards more than the area between the pawls (15) throughout the periphery of the opening (11) is installed between the pawls (15) and the flange part (13) in the periphery of the opening (11).

Description

technical field [0001] The present invention relates to a preform having a mouth, a preform main body, and a flange formed between the mouth and the preform main body, and a container made from such a preform, particularly when the cap is opened. A preform and a container that can separate the cap body and the ring at a small rotation angle. Background technique [0002] Conventionally, plastic bottle containers made of PET or the like have been produced by biaxially stretching blow molding preforms (preforms) produced by injection molding. As such preforms, for example, conventionally used Figure 17 A structure as shown (conventional example 1). exist Figure 17 Among them, the preform 100 has a mouth 101 , a preform body 102 and a flange 103 . exist Figure 17 In this case, an annular protrusion (connection portion) 104 is formed over the entire circumference of the mouth portion 101 above the flange portion 103 . [0003] Figure 17 In the illustrated preform 100 (con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D1/02B65D41/34
CPCB29B2911/14133B29B2911/1404B29B2911/14106B29B2911/1402B29B2911/14033B29B2911/14026B29C2949/3024B29C2949/28B29C2949/24B29C2949/26B29C2949/22B29C2949/3032
Inventor 水越博诗野崎达也吉川正浩
Owner DAI NIPPON PRINTING CO LTD
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