×

Apparatus for controlling flow of fluent material

  • US 4,286,733 A
  • Filed: 02/06/1980
  • Issued: 09/01/1981
  • Est. Priority Date: 02/06/1980
  • Status: Expired due to Term
First Claim
Patent Images

1. Apparatus for controlling gravity flow of a fluent product through an opening in a bag containing said fluent product comprising:

  • means for gripping opposed portions of a bag adjacent an opening therein,means for causing relative movement of said gripping means toward and away from each other includingmeans for separating said gripping means away from each other to a position of maximum spacing wherein edges of a bag adjacent an opening therein are taut to restrict flow therethrough,means, distinct from said separating means, for urging said gripping means toward each other to a position of relatively closer spacing wherein the edges of the bag adjacent the opening are relaxed to enhance flow therethrough, andsealing means operating in conjunction with said gripping means for engaging a bag adjacent an opening therethrough when said gripping means are in said position of maximum spacing to seal against flow through the opening.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×