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Centering device for bottle filling machines

  • US 4,126,163 A
  • Filed: 02/17/1977
  • Issued: 11/21/1978
  • Est. Priority Date: 02/17/1977
  • Status: Expired due to Term
First Claim
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1. A bottle centering and sealing device for use on a bottle filling machine provided with a filler tank, wherein a filler valve is carried in a bottom wall of said tank with a vent tube projecting vertically below said bottom wall of said tank, and wherein a platform is positioned below said filler valve which is elevated for vertically raising a bottle carried thereon to a filling position for being filled with liquid flowing through said filler valve from said tank, said bottle centering device comprising:

  • (a) a centering cup having a housing with a recess provided therein for receiving a top of a bottle when elevated on said platform;

    (b) said recess having a conical shaped portion adjacent the bottom of said housing which terminates in a cylindrical upper portion, said conical shaped portion being inclined inwardly from the bottom of said housing towards the top of said housing;

    (c) sealing means carried in said housing providing a seal between the top of said bottle and said tank when said bottle is in a filling position;

    (d) a horizontally extending arm having one end supporting said centering cup;

    (e) a vertically extending guide bracket;

    (f) bearing means interposed between said vertically extending guide bracket and the other end of said arm permitting said centering cup and said horizontally extending arm to be raised in a direct vertical line by said bottle as said bottle is raised on said platform to a filling position;

    whereby said bottle is aligned with said filler valve by said centering cup as the bottle is raised to said filling position.

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