Resources Contact Us Home
Tamper-evident plunger-hold-down attachment for pump dispenser

Image Number 3 for United States Patent #5975370.

The attachment comprises a cylinder-embracing support portion at least partly encircling the upper end of the pump cylinder and having openings therein receiving hooks on the cylinder. Unitary with the support portion is a plunger hold-down portion which engages the upper end of the actuator portion of the plunger. The attachment has a tamper-evident frangible zone located between the cylinder-embracing support portion and the engagement with the actuator portion.

  Recently Added Patents
Image forming apparatus, control method, and storage medium
Gathering user feedback in web applications
Serving base station selection based on backhaul capability
Systems, methods, and apparatus to prepare a mobile device for provisioning
Fuser member
Binary-to-gray converting circuits and gray code counter including the same
Under bump passive components in wafer level packaging
  Randomly Featured Patents
Carbon fiber-reinforced composite material and method of making
Adjustable trampoline pad system
Methods for harvesting adipose tissue containing autologous microvascular endothelial cells
Symmetrical bis-heteroarylmethoxy-phenylalkyl carboxylates as inhibitors of leukotriene biosynthesis
Seamless switching of scalable video bitstreams
Fully rotatable squirrel proof bird feeder
Spinlist graphical user interface control with preview and postview
Test probe and terminal
Adjustable flap in the covering of a vehicle