Patents Assigned to Bermad Kibbutz Evron
  • Sleeve valve with integral control chamber
    Patent number: 4662598
    Abstract: A sleeve valve comprising an elastomer sleeve folded onto itself, the two peripheral ends being fixedly held so that an integral control chamber is created, an opening being provided in said chamber for connecting it to a control pressure source, no housing being required.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: May 5, 1987
    Assignee: Bermad Kibbutz Evron
    Inventor: Zvi Weingarten