DIAPHRAGM FOR SPEAKER, DIAPHRAGM FOR SPEAKER MANUFACTURING DEVICE, AND METHOD FOR MANUFACTURING DIAPHRAGM FORM SPEAKER

Title:

DIAPHRAGM FOR SPEAKER, DIAPHRAGM FOR SPEAKER MANUFACTURING DEVICE, AND METHOD FOR MANUFACTURING DIAPHRAGM FORM SPEAKER

Document Type and Number:

Japanese Patent JP2020036152

Kind Code:

A

Abstract:

To provide a diaphragm having good characteristics as a diaphragm for a speaker by using a material including a fiber.SOLUTION: A diaphragm manufacturing device 1 comprises: a fibrillation unit that fibrillates a material including a fiber; a mixing unit that mixes a binding material for binding fibers in a fibrillated material fibrillated by the fibrillation unit; a depositing unit that deposits the mixture mixed by the mixing unit to form a diaphragm CP2 and a diaphragm CP3; and a multilayer molding unit 210 that fuses the binding material to form a diaphragm CP1 in which the diaphragm CP2 and diaphragm CP3 are laminated. The diaphragm CP3 is higher in density than the diaphragm CP2.SELECTED DRAWING: Figure 4

Inventors:

MIYAZAWA KAZUMA
YOSHIOKA SATOMI

Application Number:

JP2018160222A

Publication Date:

March 05, 2020

Filing Date:

August 29, 2018

Export Citation:

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