Automatic partial pressure lubrication piston for filling device

Automatic partial pressure lubrication piston for filling device

  • CN 102,795,364 A
  • Filed: 09/06/2012
  • Published: 11/28/2012
  • Est. Priority Date: 09/06/2012
  • Status: Active Application
First Claim
Patent Images

1. the automatic dividing potential drop lube pistons of a filling apparatus;

  • Comprise columned piston body;

    The front end face of said piston body is the load bearing face that contacts with the can material, and the sidewall of said piston body is and the annular outer wall of material tube inner wall sliding connection that said annular outer wall is provided with at least two seal ring mounting grooves;

    Be provided with seal ring in the seal ring mounting groove;

    The rear end of said piston body is the piston rod coupling end, it is characterized in that;

    said piston body is provided with the water conservancy diversion through hole that leads to the annular outer wall of this piston body from the load bearing face of this piston body, said water conservancy diversion through hole in the outlet on the annular outer wall of said piston body between two adjacent seal ring mounting grooves.

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