F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 53/00 (2006.01) F04B 9/00 (2006.01) F04B 35/00 (2006.01) F04D 13/02 (2006.01) H02K 1/27 (2006.01) H02K 5/12 (2006.01) H02K 15/03 (2006.01) H02K 5/132 (2006.01)
Patent
CA 2265404
An encapsulated magnet assembly has a magnet encapsulated during a two-step molding process. The first step includes molding a first molded section over a magnet assembly. The second step of the process includes molding a second molded section over the magnet and the first molded section in such a manner that the entire magnet is covered by the two molded sections completely. A first parting line is defined between the first and second molded sections along an elongate tapered section of the first molded section at the one end of the assembly. A second parting line is defined between the first and second molded sections at a dovetail on the first molded section. An outwardly tapered surface is provided on the dovetail. The two parting lines define leak-free seams between the two molded sections thereby sealingly encapsulating the magnet within the two molded sections.
Knodell Kenneth E.
Pieters Ferdinandus A.
Micropump Inc.
Smart & Biggar
LandOfFree
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