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Device for making tubular containers

A tubular and container technology, applied in the direction of soft tubular containers, containers, flexible containers, etc., can solve the problems of difficult to obtain positioning, increased container manufacturing time, complex equipment structure, etc.

Inactive Publication Date: 2008-09-03
AISAPACK HLDG SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the prior art equipment is relatively complicated in structure
Furthermore, the transfer of containers during formation from one mandrel to another significantly increases container manufacturing time
Also difficult to obtain positioning on the base and / or top

Method used

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  • Device for making tubular containers
  • Device for making tubular containers
  • Device for making tubular containers

Examples

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Embodiment Construction

[0052] FIG. 1 shows three parts of a container 1 usable with the device of the invention, namely a flexible tubular body 2 , eg a laminated tube, a rigid base 3 and a top 4 including a neck 8 . In a first step, the base body 3 is fixed to the top 4 by means of a snap-in mechanism 18 (see FIG. 3 ). It will be obvious that any other temporary fixation system may be used. In an inventive variant not shown, the top and the base are first manufactured in one piece by injection, the two elements being subsequently separated during the manufacturing process, for example by breaking of the temporary coupling. The base body 3 is then separated from the top 4 during the manufacturing process, as described below. Figure 2 shows the container 1 in the formed state at the end of the manufacturing process. The base 3 has been welded to the lower end of the tubular body 2 and the top 4 has been welded to the upper end of the tubular body 2 .

[0053] Figure 4 shows the manufacturing unit ...

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Abstract

The invention concerns a device for making plastic tubular containers (1) consisting of three separate elements: a flexible tubular body (2), a rigid base (3), an upper part (4) including a neck (8), said device comprising a mandrel (5) and means (6, 7) for fixing an upper part (4) and a base (3) on a flexible tubular body (2). The invention is characterized in that it consists of at least one manufacturing unit comprising a support rod (9) having one free end (10) provided with a retaining member (11) adapted to prevent the displacement of a container base (3) along one direction, a tubular sleeve (12) mounted sliding around the support rod (9) and including one free end (13) arranged on the same side as the free end (10) of the support rod (9), a member for driving the tubular sleeve (12), a space adapted for the relative movement of the tubular body (2) around the tubular sleeve (12), said tubular sleeve (12) further comprising an upper part gripping member (15) arranged towards the free end (13) of the sleeve (12), said upper part gripping member (15) including means for fixing and momentarily retaining (16) an assembly consisting of an upper part (4) and a base (3) of the container (1).

Description

technical field [0001] The present invention relates to the field of manufacturing tubular containers from plastic comprising three distinct elements, namely a flexible tubular body, a rigid base and a top comprising a neck. [0002] More specifically, the invention relates to apparatus and methods for making these containers. Background technique [0003] There are various known devices for manufacturing containers as described in the previous section. [0004] Briefly, this device comprises a first mandrel, wherein the mandrel supports a tubular body, while the top of the receiving neck is fixed on the mandrel. The assembly comprising these two elements is then guided to a second type of mandrel on which the matrix is ​​fixed. [0005] However, prior art devices are relatively complex in structure. Furthermore, the transfer of containers during formation from one mandrel to another adds significantly to container manufacturing time. It is also difficult to obtain posit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/78B65D35/12B65D35/10B29C65/02
CPCB29C65/7802B29C65/76B29C66/83221B29L2023/20B29C65/7885B29C66/8242B29C66/542B29C65/7847B29C66/534B29C66/53462B29C66/522B29C65/04B29C66/5344B29C66/8322B29C65/58B29C66/612B29C66/1162B29C65/78B65D35/12B29C65/02B65D35/10
Inventor 恩格尔贝特·桑得
Owner AISAPACK HLDG SA
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