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US 5,205,897 AGranted
Method of bonding loudspeaker diaphragm
AssigneeOnkyo Corporation
InventorYoshinori Nonaka
Life of this patent
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Abstract
A loudspeaker component is bonded to a diaphragm formed of an olefinic resin, by applying an adhesion primer to bonding positions of the component and/or the diaphragm, applying an adhesive to the bonding positions after the primer has cured, and superposing the component and diaphragm. An air curing unsaturated polyester resin is used as the adhesion primer.
Claims12
A method of bonding a loudspeaker diaphragm formed of an olefinic resin to another loud speaker component such as a surround, a voice coil bobbin and a dust cap, comprising the steps of:
- applying an adhesion primer comprising an air-curing unsaturated polyester resin to bonding positions on said loudspeaker diaphragm,
- allowing said adhesion primer to cure,
- applying either a rubber or acrylic adhesive to said bonding positions subsequent to curing said adhesive primer,
- superimposing said loudspeaker and said another loudspeaker component so that the respective components are juxtaposed, and
- then joining said loudspeaker and said another loudspeaker component together at said bonding positions.
2 more elements
Dependencies are inferred from the claim text.