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Laser treatment device and container-producing device

A laser processing device, laser beam technology, applied in the direction of containers, household containers, rigid containers, etc., can solve the problems of insufficient prevention of resin hair, high efficiency, etc.

Inactive Publication Date: 2012-05-23
NIPPON STEEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the technique described in Patent Document 5 cannot sufficiently prevent the occurrence of resin fuzz.
[0006] In addition, if the techniques described in Patent Documents 6 and 7 are adopted, although the expected purpose is achieved, the amount of resin film that can be removed is not much relative to the amount of energy required for laser beam irradiation, and it is difficult to say that the efficiency is high.

Method used

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  • Laser treatment device and container-producing device
  • Laser treatment device and container-producing device
  • Laser treatment device and container-producing device

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Embodiment Construction

[0066] A laser processing apparatus (container manufacturing apparatus) according to an embodiment of the present invention will be described in detail below with reference to the drawings. In addition, in this specification and drawings, the overlapping description is abbreviate|omitted by attaching the same code|symbol to the component which has substantially the same functional structure.

[0067] (first embodiment)

[0068] First, the first embodiment will be described. image 3 It is a diagram showing the laser processing apparatus (container manufacturing apparatus) according to the first embodiment of the present invention, and is a perspective view seen from obliquely above the cup-shaped body 14 as a workpiece to be processed. and, Figure 4A It is a plan view viewed from the upper side of the cup-shaped body 14; Figure 4B In order to enlarge the top view of the irradiated part of the upper edge end 14a of the cup-shaped body 14 to which the laser beams LA and LB ...

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Abstract

The disclosed laser treatment device is provided with reflecting mirrors (1, 4) that reflect laser beams (LA, LB) to the inside surface or the outside surface of the upper edge section (14a) of a cup (14); reflecting mirrors (2, 5) that reflect to the inside surface or the outside surface of the cup (14) the portion of the laser beams (LA, LB) reflected by the reflecting mirrors (1, 4) that penetrated the outside of the upper edge section (14a); and a revolving pedestal (15) that revolves relative to the reflecting mirrors (1, 4) and the reflecting mirrors (2, 5) around an axis centered on the cup.

Description

technical field [0001] The present invention relates to a laser processing device and a container manufacturing device suitable for preventing the occurrence of resin fuzz when manufacturing a cylindrical container from a metal plate having a resin coating formed on both sides by one-time drawing. Background technique [0002] Conventionally, as beverage cans and solid food cans, etc., drawn cans (Patent Document 1), thinned and redrawn cans (Patent Documents 2 and 3), thinned and redrawn cans (see For example, containers (seamless tanks) such as Patent Document 4). The manufacture of this container first punches a disk-shaped blank from a sheet material on which a resin coating has been formed on one or both surfaces of a metal plate, and then draws the blank to form a cylindrical primary-drawn body (hereinafter sometimes Also called "cup-shaped body"). Next, this cup is subjected to redrawing and thinning and drawing. [0003] Such a method is mainly due to the fact tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/067B23K26/00B65D1/00B65D1/12B23K26/08B23K26/36
CPCB23K26/367B23K26/0823B23K26/409B23K2201/12B23K26/362B21D51/2615B23K26/40B23K26/361B23K26/364B23K2101/12B23K2103/172
Inventor 坂井辰彦横矢博一
Owner NIPPON STEEL CORP
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