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Sucking hole structure for an aluminium foil beverage container

  • US 4,858,766 A
  • Filed: 12/14/1988
  • Issued: 08/22/1989
  • Est. Priority Date: 12/14/1988
  • Status: Expired due to Fees
First Claim
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1. A sucking hole structure for an aluminium foil beverage container made of three layers, i.e. a coated paper layer as the outermost, a simile paper layer as the middle and an aluminium foil layer as the innermost, having the sucking hole made at a corner of a side face of the container, said sucking hole covered and surrounded by an oval peeling line punched on the coated paper layer, said sucking hole punched with a round peeling line on the simile paper layer and compressed to become less thick than the rest part and adhered with the part enclosed by the oval peeling line, and the part enclosed by the round peeling line with part enclosed by the oval peeling line possible to be peeled off to become said sucking hole.

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