JPS6118920B2 - - Google Patents

Info

Publication number: JPS6118920B2
Authority: JP; Japan
Prior art keywords: diaphragm; mold; manufacturing; molding; molds
Prior art date: 1977-09-09
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

JP52107687A

Other languages

English (en)

Japanese (ja)

Other versions

JPS5441718A (en

Inventor

Akio Kofuchi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Pioneer Corp

Original Assignee

Pioneer Electronic Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1977-09-09

Filing date

1977-09-09

Publication date

1986-05-14

1977-09-09 Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp

1977-09-09 Priority to JP10768777A priority Critical patent/JPS5441718A/ja

1979-04-03 Publication of JPS5441718A publication Critical patent/JPS5441718A/ja

1986-05-14 Publication of JPS6118920B2 publication Critical patent/JPS6118920B2/ja

Status Granted legal-status Critical Current

Links

239000000463 material Substances 0.000 claims description 12
238000004519 manufacturing process Methods 0.000 claims description 11
238000000465 moulding Methods 0.000 claims description 11
229920000049 Carbon (fiber) Polymers 0.000 claims description 10
239000004917 carbon fiber Substances 0.000 claims description 10
238000000034 method Methods 0.000 claims description 6
239000000835 fiber Substances 0.000 claims description 5
239000011159 matrix material Substances 0.000 claims description 3
229920001187 thermosetting polymer Polymers 0.000 claims description 3
229910001220 stainless steel Inorganic materials 0.000 claims description 2
239000010935 stainless steel Substances 0.000 claims description 2
229920005992 thermoplastic resin Polymers 0.000 claims description 2
239000000356 contaminant Substances 0.000 claims 1
238000010438 heat treatment Methods 0.000 description 6
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
238000001816 cooling Methods 0.000 description 3
229920005989 resin Polymers 0.000 description 3
239000011347 resin Substances 0.000 description 3
239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000005611 electricity Effects 0.000 description 1
238000003825 pressing Methods 0.000 description 1
238000003856 thermoforming Methods 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1

Landscapes

Moulding By Coating Moulds (AREA)
Diaphragms For Electromechanical Transducers (AREA)

JP10768777A 1977-09-09 1977-09-09 Preparation of diaphragm for speaker Granted JPS5441718A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP10768777A JPS5441718A (en)	1977-09-09	1977-09-09	Preparation of diaphragm for speaker

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP10768777A JPS5441718A (en)	1977-09-09	1977-09-09	Preparation of diaphragm for speaker

Publications (2)

Publication Number	Publication Date
JPS5441718A JPS5441718A (en)	1979-04-03
JPS6118920B2 true JPS6118920B2 (2)	1986-05-14

Family

ID=14465415

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP10768777A Granted JPS5441718A (en)	1977-09-09	1977-09-09	Preparation of diaphragm for speaker

Country Status (1)

Country	Link
JP (1)	JPS5441718A (2)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS62205601A (ja) *	1986-03-06	1987-09-10	多摩電気工業株式会社	薄膜抵抗体

1977
- 1977-09-09 JP JP10768777A patent/JPS5441718A/ja active Granted

Also Published As

Publication number	Publication date
JPS5441718A (en)	1979-04-03

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