US 5,042,690 · Granted 1991-08-27

Unit dose assembly

A cap and tube assembly device including a tube with a nozzle mounted on one end of the tube and having a thin wall section puncturable to provide a discharge on the other end of the nozzle. Also provided is a cap having a first end with an inside cross section sized to engage the nozzle and having an axially centered puncture spike positioned in a first position spaced from the thin wall and movable to a second position to puncture the thin wall. The puncture spike has a chisel shaped edge for forming a hole in the wall and a central bore for providing access to the contents of the tube. The cap has a second enclosing an applicator for dispensing the contents of the tube, whereby the contents of the tube is transferred to the applicator through the bore of the puncture means.

Curated and verified by the IsItPatented Editorial team