A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
18/682, 128/84
A61M 5/315 (2006.01) B29C 45/16 (2006.01)
Patent
CA 1136813
ABSTRACT OF THE DISCLOSURE Articles having portions of materials with different properties are integrally formed by injection of two different thermoplastic materials simultaneous- ly through separate gates into the same mold wherein the materials fuse or bond together. A plunger for a syringe formed by the process has a rigid shaft and an elastomeric head.
328180
Leveen Harry H.
Leveen Robert F.
Leveen Harry H.
Leveen Robert F.
Osler Hoskin & Harcourt Llp
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