JPH0317520Y2 - - Google Patents

Info

Publication number
JPH0317520Y2
JPH0317520Y2 JP1981093301U JP9330181U JPH0317520Y2 JP H0317520 Y2 JPH0317520 Y2 JP H0317520Y2 JP 1981093301 U JP1981093301 U JP 1981093301U JP 9330181 U JP9330181 U JP 9330181U JP H0317520 Y2 JPH0317520 Y2 JP H0317520Y2
Authority
JP
Japan
Prior art keywords
roll
inner diameter
circumferential direction
lines
shaped
Prior art date
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
JP1981093301U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57204792U (pm
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.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1981093301U priority Critical patent/JPH0317520Y2/ja
Publication of JPS57204792U publication Critical patent/JPS57204792U/ja
Application granted granted Critical
Publication of JPH0317520Y2 publication Critical patent/JPH0317520Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Diaphragms For Electromechanical Transducers (AREA)
JP1981093301U 1981-06-24 1981-06-24 Expired JPH0317520Y2 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981093301U JPH0317520Y2 (pm) 1981-06-24 1981-06-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981093301U JPH0317520Y2 (pm) 1981-06-24 1981-06-24

Publications (2)

Publication Number Publication Date
JPS57204792U JPS57204792U (pm) 1982-12-27
JPH0317520Y2 true JPH0317520Y2 (pm) 1991-04-12

Family

ID=29888270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981093301U Expired JPH0317520Y2 (pm) 1981-06-24 1981-06-24

Country Status (1)

Country Link
JP (1) JPH0317520Y2 (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7397927B2 (en) * 2004-11-19 2008-07-08 Bose Corporation Loudspeaker suspension

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5434589U (pm) * 1977-08-12 1979-03-07

Also Published As

Publication number Publication date
JPS57204792U (pm) 1982-12-27

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