Manufacture of strain relief collar for accessory associated with mobile device, comprises injection molding outer molded body, inserting cord through outer molded body, and injection molding inner molded body in engagement portion

摘要

Strain relief collar is manufactured by injection molding outer molded body having engagement portion, extended portion opposite to engagement portion, and extended portion having a bore in communication with engagement portion; inserting cord through outer molded body and providing portion extended outside the outer molded body; and injection molding inner molded body (30) in the engagement portion, with cord partially circumscribed by inner molded body and partially left exposed for electrically connecting to an accessory associated with mobile device.