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Picking up plug

A container and stator technology, applied in the field of improving equipment

Inactive Publication Date: 2005-06-15
SIPA SOCIETA INDUSTRIALIZZAZIONE PROGETTAZIONE E AUTOMAZIONE SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] But this ability to rotate freely does not allow a known preform or container to be in a given pre-established position at any given time, and in fact this is sometimes a problem

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0036] An essential feature of the present invention is the provision of pick-up plugs suitable for picking up and conveying monolithic preforms and associated finished containers, which plugs include in their stators a plurality of magnetized elements capable of being assembled into a plurality of distinct magnets groups, wherein each such group of magnets includes magnets of the same polarity, and includes in their rotors a plurality of magnetized elements capable of being aggregated into a plurality of distinct groups of magnets, wherein each such magnet The sets each comprise magnets of the same polarity, the magnets of the rotor and the stator being arranged such that the rotor and the stator self-align at rest into a limited number of predetermined relative positions relative to each other.

[0037] Figure 1 shows a single-stage plant comprising an extrusion unit 1, an injection mold 2 for a plurality of preforms, a conditioning station 3, a blow molding station 4 for for...

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Abstract

The pick-up plug at least includes: an annular stator (10) engaged with the drive device, an identical annular rotor (11) that can be associated with the stator (10) and has the same axis (O), the rotor and the corresponding The stators (10) are joined to each other by known means and are adapted to rotate relative to each other about said common axis (O). A plurality of magnets concentrated into distinct groups are used in the stator, where each group of magnets includes magnets of the same polarity ((N), (S)), and in the same manner a plurality of magnets are used in the rotor Magnets that can be grouped together. The magnets of the stator and the magnets of the rotor are arranged such that the rotor and stator align themselves into a limited number of predetermined positions when at rest.

Description

technical field [0001] The present invention relates to an improved apparatus for maintaining a predetermined orientation when sequentially mass-feeding a series of containers made of thermoplastic materials, especially polyethylene terephthalate (PET) and polypropylene (PP), Said containers comprise in particular suitable semi-finished products, commonly referred to in the art as "preforms", which are then usually blow-molded to form the finished container. [0002] In particular, the described plant (which is hereinafter referred to as a "pick-up plug" well known to those skilled in the art) is identical to a preform manufacturing plant also known in the art as a single-stage plant. Where relevant, the invention can be applied in the best possible way, but of course also ideally in combination with a plant which feeds previously produced preforms separately to the plant for only the final blow molding stage (two-stage plant). Background technique [0003] In fact, we gene...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G17/32B29C49/06B29C49/42B65G17/20B65G17/48
CPCB29C49/06B29C49/4205B65G17/32B65G2201/02B65G2201/0261B29C49/42085B29C49/42119B29C2949/0715
Inventor 图里奥·温图拉托尼古拉·达利奥尔
Owner SIPA SOCIETA INDUSTRIALIZZAZIONE PROGETTAZIONE E AUTOMAZIONE SPA