THICKNESS-REDUCED DEEP-DRAW-FORMED CAN

阅读量:

17

申请(专利)号:

EP19900903212

申请日期:

1990-02-16

公开/公告号:

EP0412166B1

公开/公告日期:

1995-11-22

申请(专利权)人:

TOYO SEIKAN KAISHA LTD

摘要:

This invention relates to a thin, deep-drawn can molded from a sheet coated with an organic material. This metal can is characterized in that at least inner organic coating film (8) is made of a crystalline thermoplastic resin, that the drum wall (3) is thinner than the bottom (2), that the thermoplastic resin of the drum wall (3) is molecularly orientated primarily in an axial direction, and that the coarseness of the metallic surface (7) of the drum wall (3) is greater that that of the bottom (2). Since the organic coating film (8) is crystalline and is moreover orientated molecularly, the film can withstand deformation when it is deep-drawn and thinned and con be shaped without receiving any damage form tools or the like, so that the barrier property against corrosion components and heat resistance can be improved remarkably.

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