JPS5570431A - Production of grating body - Google Patents

Production of grating body

Info

Publication number
JPS5570431A
JPS5570431A JP14572578A JP14572578A JPS5570431A JP S5570431 A JPS5570431 A JP S5570431A JP 14572578 A JP14572578 A JP 14572578A JP 14572578 A JP14572578 A JP 14572578A JP S5570431 A JPS5570431 A JP S5570431A
Authority
JP
Japan
Prior art keywords
stems
crosspieces
thin
holes
portions
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
JP14572578A
Other languages
Japanese (ja)
Other versions
JPS6211933B2 (en
Inventor
Kazuhiro Tabata
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.)
Shikoku Chemicals Corp
Nippon Koki Co Ltd
Original Assignee
Shikoku Chemicals Corp
Nippon Koki Co 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 Shikoku Chemicals Corp, Nippon Koki Co Ltd filed Critical Shikoku Chemicals Corp
Priority to JP14572578A priority Critical patent/JPS5570431A/en
Publication of JPS5570431A publication Critical patent/JPS5570431A/en
Publication of JPS6211933B2 publication Critical patent/JPS6211933B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fencing (AREA)

Abstract

PURPOSE: To eliminate defects owing to welding methods and make volume production of metal-made grating bodies of high durability well suited for gates, fences, etc. by forming thin-walled portions to middle stems and pressure holding the middle stems fitted to crosspieces thereby assembling these at a breath.
CONSTITUTION: Through-holes 2, 2,... are pierced to the upper and lower inner side faces of crosspieces 1, 1. The portions of middle stems 3, 3... corresponding to the through-hole portions are made thin and are fitted into thise holes. From the upper and lower outer sides of the crosspieces 1, 1, the middle stems 3, 3... are pressed to buckle thin-walled portions of the middle stems to form outward protruding flights 4, 4..., which are then engaged with the through-holes 2, 2..., whereby the crosspieces and middle stems are integrated. To form the specified position of the middle stem 3 used here into the thin-wall form, the axial center position of split die fittings is pressed to the pipe end of the middle stem 3 by a punch 6 to form an outward build-up portion, after which this build-up portion is cut, whereby it may be produced.
COPYRIGHT: (C)1980,JPO&Japio
JP14572578A 1978-11-24 1978-11-24 Production of grating body Granted JPS5570431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14572578A JPS5570431A (en) 1978-11-24 1978-11-24 Production of grating body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14572578A JPS5570431A (en) 1978-11-24 1978-11-24 Production of grating body

Publications (2)

Publication Number Publication Date
JPS5570431A true JPS5570431A (en) 1980-05-27
JPS6211933B2 JPS6211933B2 (en) 1987-03-16

Family

ID=15391681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14572578A Granted JPS5570431A (en) 1978-11-24 1978-11-24 Production of grating body

Country Status (1)

Country Link
JP (1) JPS5570431A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53130833A (en) * 1977-04-20 1978-11-15 Masabumi Narita Construction and method of joining fence* gate door* and so on

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53130833A (en) * 1977-04-20 1978-11-15 Masabumi Narita Construction and method of joining fence* gate door* and so on

Also Published As

Publication number Publication date
JPS6211933B2 (en) 1987-03-16

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