JPS5950703U - Sheath for PC steel materials - Google Patents

Sheath for PC steel materials

Info

Publication number
JPS5950703U
JPS5950703U JP14482082U JP14482082U JPS5950703U JP S5950703 U JPS5950703 U JP S5950703U JP 14482082 U JP14482082 U JP 14482082U JP 14482082 U JP14482082 U JP 14482082U JP S5950703 U JPS5950703 U JP S5950703U
Authority
JP
Japan
Prior art keywords
sheath
width
groove
strip
edges
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.)
Pending
Application number
JP14482082U
Other languages
Japanese (ja)
Inventor
土屋　行信
Original Assignee
鋼弦器材株式会社
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 鋼弦器材株式会社 filed Critical 鋼弦器材株式会社
Priority to JP14482082U priority Critical patent/JPS5950703U/en
Publication of JPS5950703U publication Critical patent/JPS5950703U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のシースの一例断面図、第２図は回能の例
の断面図、第３図は本考案に係るシースの一例の側面図
、第４図は同縦断面図、第５図は型付後の帯板の断面図
、第６図は螺旋継目の加締状態を示す部分断面図である
。 １０・・・帯板、ｌｌａ、ｌｌｂ・・・折り返し部、１
２・・・継目、１３・・・凹溝、１４・・・凸部。Fig. 1 is a cross-sectional view of an example of a conventional sheath, Fig. 2 is a cross-sectional view of an example of a conventional sheath, Fig. 3 is a side view of an example of a sheath according to the present invention, Fig. 4 is a longitudinal sectional view of the same, and Fig. 5 is a cross-sectional view of an example of a conventional sheath. The figure is a cross-sectional view of the band plate after molding, and FIG. 6 is a partial cross-sectional view showing the tightened state of the spiral joint. 10... Band plate, lla, llb... Folded part, 1
2... Seam, 13... Concave groove, 14... Convex portion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 金属製の帯板の両縁部に折り返し部を設け、該帯板を螺
旋状に巻いて筒状となし、該帯板の両縁−の折り返し部
を互いに噛み合せ゛て加締めた螺旋状の継目を有してな
るＰＣ鋼材用シースにおいて、前記螺旋状の帯板の長手
方向の中央部分を外向きに膨出させ内面に凹溝を形成し
、該凹溝の幅を軸方向に隣り合う凹溝間の内向き凹部の
幅と同じかもしくはそれ以上の幅に形成したことを特徴
としてなるｐｃ鋼材用シース。A spiral shape in which folded parts are provided on both edges of a metal strip, the strip is spirally wound to form a cylindrical shape, and the folded parts on both edges of the strip are interlocked and tightened. In a sheath for prestressing steel material having a seam, the center portion of the spiral strip in the longitudinal direction is bulged outward to form a groove on the inner surface, and the width of the groove is equal to the width of the groove adjacent to the groove in the axial direction. A sheath for PC steel material, characterized in that the sheath is formed to have a width equal to or greater than the width of an inward recess between matching grooves.
JP14482082U 1982-09-27 1982-09-27 Sheath for PC steel materials Pending JPS5950703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14482082U JPS5950703U (en) 1982-09-27 1982-09-27 Sheath for PC steel materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14482082U JPS5950703U (en) 1982-09-27 1982-09-27 Sheath for PC steel materials

Publications (1)

Publication Number Publication Date
JPS5950703U true JPS5950703U (en) 1984-04-04

Family

ID=30322841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14482082U Pending JPS5950703U (en) 1982-09-27 1982-09-27 Sheath for PC steel materials

Country Status (1)

Country Link
JP (1) JPS5950703U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120710U (en) * 1990-03-26 1991-12-11
WO2000036223A1 (en) * 1998-12-17 2000-06-22 New Tokyo International Airport Authority Embedded-type light
WO2000036224A1 (en) * 1998-12-17 2000-06-22 New Tokyo International Airport Authority Structure for embedding embedded-type light

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4972165A (en) * 1972-11-13 1974-07-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4972165A (en) * 1972-11-13 1974-07-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120710U (en) * 1990-03-26 1991-12-11
WO2000036223A1 (en) * 1998-12-17 2000-06-22 New Tokyo International Airport Authority Embedded-type light
WO2000036224A1 (en) * 1998-12-17 2000-06-22 New Tokyo International Airport Authority Structure for embedding embedded-type light

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