JPS5469544A - Backing apparatus - Google Patents

Backing apparatus

Info

Publication number
JPS5469544A
JPS5469544A JP13709577A JP13709577A JPS5469544A JP S5469544 A JPS5469544 A JP S5469544A JP 13709577 A JP13709577 A JP 13709577A JP 13709577 A JP13709577 A JP 13709577A JP S5469544 A JPS5469544 A JP S5469544A
Authority
JP
Japan
Prior art keywords
contacting
tube
spring
backing material
groove
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
JP13709577A
Other languages
Japanese (ja)
Inventor
Maretoshi Hashimoto
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP13709577A priority Critical patent/JPS5469544A/en
Publication of JPS5469544A publication Critical patent/JPS5469544A/en
Pending legal-status Critical Current

Links

Landscapes

  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

PURPOSE:To form a sound weld zone contacting backing material to the material to be welded with a uniform force, by carrying out contacting, attaching and detaching of backing material for welding groove by the operation of cramping tool of tube end part. CONSTITUTION:The clamping tool 5 is arranged in the tube and tip end part of the contacting meterial 8 is placed on the receiving metal fittings bringing down the sliding shaft 11. Then, piling up in the order of the leaf spring 7, the supporting board 6 and the backing material 4 on the contacting material 8, these are arranged just under the welding groove part. The shaft 11 is moved downward by rotating the handle 13 and the upper face of the material 4 is contacted with the back side face of the groove. At this time, the spring 7 is bended in the dish-shaped groove 6a provided on the board 6 and the meterial 4 is contacted by squeezing force of the spring 7. By the above apparatus, handling operation is made easy being indifferent to the diameter of tube and the construction is made simple and also, is able to make light weight.
JP13709577A 1977-11-15 1977-11-15 Backing apparatus Pending JPS5469544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13709577A JPS5469544A (en) 1977-11-15 1977-11-15 Backing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13709577A JPS5469544A (en) 1977-11-15 1977-11-15 Backing apparatus

Publications (1)

Publication Number Publication Date
JPS5469544A true JPS5469544A (en) 1979-06-04

Family

ID=15190746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13709577A Pending JPS5469544A (en) 1977-11-15 1977-11-15 Backing apparatus

Country Status (1)

Country Link
JP (1) JPS5469544A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6409345B1 (en) 2000-08-08 2002-06-25 Tracey Technologies, Llc Method and device for synchronous mapping of the total refraction non-homogeneity of the eye and its refractive components
CN106903466A (en) * 2017-04-18 2017-06-30 山东朝日不锈钢有限公司 Apparatus for shaping and technique in a kind of welded still pipe weld seam

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6932475B2 (en) 1998-10-07 2005-08-23 Tracey Technologies, L.L.C. Device for measuring aberration refraction of the eye
US6409345B1 (en) 2000-08-08 2002-06-25 Tracey Technologies, Llc Method and device for synchronous mapping of the total refraction non-homogeneity of the eye and its refractive components
CN106903466A (en) * 2017-04-18 2017-06-30 山东朝日不锈钢有限公司 Apparatus for shaping and technique in a kind of welded still pipe weld seam

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