Multi-unit pyrotechnic initiation system
First Claim
1. A molded-together multi-unit pyrotechnic initiator assembly for incorporation into an inflator, said assembly comprisingtwo or more pyrotechnic initiators each including an electrical igniter, a metal retainer, and a nonconductive molded body that is integrally and intimately bonded to and at least partly surrounding said electrical igniter and said retainer, wherein said molded body of each of said two or more initiators extends toward another of said two or more initiators so as to integrally bond together two or more initiators.
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Accused Products
Abstract
A multi-unit pyrotechnic initiation system includes two or more pyrotechnic initiators molded in place into a base. Each initiator preferably includes a body overmolded around an igniter. The retainers of two or more pyrotechnic initiators may be formed together as part of a unitary substructure.
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Citations
20 Claims
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1. A molded-together multi-unit pyrotechnic initiator assembly for incorporation into an inflator, said assembly comprising
two or more pyrotechnic initiators each including an electrical igniter, a metal retainer, and a nonconductive molded body that is integrally and intimately bonded to and at least partly surrounding said electrical igniter and said retainer, wherein said molded body of each of said two or more initiators extends toward another of said two or more initiators so as to integrally bond together two or more initiators.
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5. A method for making a molded-together multi-unit pyrotechnic initiator assembly for incorporation into an inflator, comprising the steps of:
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providing two or more pyrotechnic initiators each including an electrical igniter and a metal retainer;
arranging said two or more pyrotechnic initiators so as to be adjacent; and
molding a nonconductive body around at least part of said electrical igniter and said retainer of each of said two or more initiators, such that the resulting nonconductive body of each of said two or more initiators extends toward another of said two or more initiators so as to integrally join two or more initiators together. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification