JPH0750507Y2 - 桁なしらせん階段 - Google Patents

桁なしらせん階段

Info

Publication number
JPH0750507Y2
JPH0750507Y2 JP1990001045U JP104590U JPH0750507Y2 JP H0750507 Y2 JPH0750507 Y2 JP H0750507Y2 JP 1990001045 U JP1990001045 U JP 1990001045U JP 104590 U JP104590 U JP 104590U JP H0750507 Y2 JPH0750507 Y2 JP H0750507Y2
Authority
JP
Japan
Prior art keywords
fitting groove
tread
mandrel
spiral
spiral staircase
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 - Fee Related
Application number
JP1990001045U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0392238U (US07413550-20080819-C00001.png
Inventor
和雄 森
匡司 杉本
勝治 後藤
Original Assignee
三井木材工業株式会社
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 by 三井木材工業株式会社 filed Critical 三井木材工業株式会社
Priority to JP1990001045U priority Critical patent/JPH0750507Y2/ja
Publication of JPH0392238U publication Critical patent/JPH0392238U/ja
Application granted granted Critical
Publication of JPH0750507Y2 publication Critical patent/JPH0750507Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP1990001045U 1990-01-10 1990-01-10 桁なしらせん階段 Expired - Fee Related JPH0750507Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990001045U JPH0750507Y2 (ja) 1990-01-10 1990-01-10 桁なしらせん階段

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990001045U JPH0750507Y2 (ja) 1990-01-10 1990-01-10 桁なしらせん階段

Publications (2)

Publication Number Publication Date
JPH0392238U JPH0392238U (US07413550-20080819-C00001.png) 1991-09-19
JPH0750507Y2 true JPH0750507Y2 (ja) 1995-11-15

Family

ID=31504976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990001045U Expired - Fee Related JPH0750507Y2 (ja) 1990-01-10 1990-01-10 桁なしらせん階段

Country Status (1)

Country Link
JP (1) JPH0750507Y2 (US07413550-20080819-C00001.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4610306B2 (ja) * 2004-11-08 2011-01-12 住友林業株式会社 階段構造
KR100670415B1 (ko) * 2005-10-04 2007-01-16 이승면 액세서리용 장신구의 제조방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541813Y2 (US07413550-20080819-C00001.png) * 1974-07-02 1979-01-26
JPS51133923A (en) * 1975-05-15 1976-11-20 Etsusaburou Tamao Method of asebling spiral staircase and structure of same
JPH0354519Y2 (US07413550-20080819-C00001.png) * 1986-06-02 1991-12-02

Also Published As

Publication number Publication date
JPH0392238U (US07413550-20080819-C00001.png) 1991-09-19

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Legal Events

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