JPH0351918U - - Google Patents

Info

Publication number
JPH0351918U
JPH0351918U JP11540289U JP11540289U JPH0351918U JP H0351918 U JPH0351918 U JP H0351918U JP 11540289 U JP11540289 U JP 11540289U JP 11540289 U JP11540289 U JP 11540289U JP H0351918 U JPH0351918 U JP H0351918U
Authority
JP
Japan
Prior art keywords
bending
laminates
longitudinal direction
hollow part
crush
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.)
Granted
Application number
JP11540289U
Other languages
English (en)
Other versions
JPH0510980Y2 (ja
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 JP11540289U priority Critical patent/JPH0510980Y2/ja
Publication of JPH0351918U publication Critical patent/JPH0351918U/ja
Application granted granted Critical
Publication of JPH0510980Y2 publication Critical patent/JPH0510980Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)

Description

【図面の簡単な説明】
第1図aおよびbは本考案に係わる中空部材の
曲げ加工用潰れ防止中芯の一実施例を説明するそ
れぞれ平面図および正面図、第2図は第1図a,
bに示した潰れ防止中芯を使用した曲げ加工状況
を示す概略説明図、第3図は第2図の潰れ防止中
芯の作用を説明する各拡大図、第4図aおよびb
は本考案に係わる中空部材の曲げ加工用潰れ防止
中芯の他の実施例を説明するそれぞれ平面図およ
び正面図、第5図は従来の潰れ防止中芯を使用し
た曲げ加工状況を示す概略説明図である。 1……中空部材、10,20……中空部材の曲
げ加工用潰れ防止中芯、11,12,21,22
,23,24……積層板、15,26……支持棒

Claims (1)

    【実用新案登録請求の範囲】
  1. 中空部を有する部材の曲げ加工において前記部
    材の中空部内に挿入する潰れ防止中芯であつて、
    複数の弾性体積層板を前記部材の曲げ方向に、横
    断面が前記部材中空部の開口寸法よりわずかに小
    さく積み重ねると共に、当該積層板の長手方向基
    端側を束ねて支持棒に連結し、さらに前記複数の
    積層板のうち少なくとも1対の積層板の曲げ内周
    側積層板を当該積層板の長手方向先端側に向つて
    板厚が減少するテーパ状とすると共に、前記1対
    の積層板の曲げ外周側積層板を長手方向先端側に
    向つて板厚が増加するテーパ状としたことを特徴
    とする中空部材の曲げ加工用潰れ防止中芯。
JP11540289U 1989-09-29 1989-09-29 Expired - Lifetime JPH0510980Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11540289U JPH0510980Y2 (ja) 1989-09-29 1989-09-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11540289U JPH0510980Y2 (ja) 1989-09-29 1989-09-29

Publications (2)

Publication Number Publication Date
JPH0351918U true JPH0351918U (ja) 1991-05-21
JPH0510980Y2 JPH0510980Y2 (ja) 1993-03-17

Family

ID=31663732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11540289U Expired - Lifetime JPH0510980Y2 (ja) 1989-09-29 1989-09-29

Country Status (1)

Country Link
JP (1) JPH0510980Y2 (ja)

Also Published As

Publication number Publication date
JPH0510980Y2 (ja) 1993-03-17

Similar Documents

Publication Publication Date Title
JPH0351918U (ja)
JPS6173818U (ja)
JPS63189629U (ja)
JPH01122529U (ja)
JPS61107076U (ja)
JPH01144688U (ja)
JPH0370931U (ja)
JPH01114102U (ja)
JPS61185793U (ja)
JPS63112036U (ja)
JPH0190764U (ja)
JPH03120921U (ja)
JPS61102318U (ja)
JPH0368800U (ja)
JPH01165110U (ja)
JPS6433487U (ja)
JPS6454953U (ja)
JPS62201219U (ja)
JPH03127643U (ja)
JPH0418650U (ja)
JPH032742U (ja)
JPH02141447U (ja)
JPS62163983U (ja)
JPS6359922U (ja)
JPH0325676U (ja)