JPS5345752A - Preparation for heat exchanger covered with porcelain enamel of hot water boiler - Google Patents

Preparation for heat exchanger covered with porcelain enamel of hot water boiler

Info

Publication number
JPS5345752A
JPS5345752A JP12034876A JP12034876A JPS5345752A JP S5345752 A JPS5345752 A JP S5345752A JP 12034876 A JP12034876 A JP 12034876A JP 12034876 A JP12034876 A JP 12034876A JP S5345752 A JPS5345752 A JP S5345752A
Authority
JP
Japan
Prior art keywords
preparation
heat exchanger
hot water
water boiler
porcelain enamel
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
JP12034876A
Other languages
Japanese (ja)
Inventor
Takeyoshi Naito
Shoji Ichinomiya
Shoji Sekine
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12034876A priority Critical patent/JPS5345752A/en
Publication of JPS5345752A publication Critical patent/JPS5345752A/en
Pending legal-status Critical Current

Links

Landscapes

  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)

Abstract

PURPOSE: To make the surface of welded parts smooth easily and at low cost, by arranging one of an inner drum by a press mold good, by trimming a flange after the press, by spinning, and by constituting a projection part for a joggled lap joint.
COPYRIGHT: (C)1978,JPO&Japio
JP12034876A 1976-10-08 1976-10-08 Preparation for heat exchanger covered with porcelain enamel of hot water boiler Pending JPS5345752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12034876A JPS5345752A (en) 1976-10-08 1976-10-08 Preparation for heat exchanger covered with porcelain enamel of hot water boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12034876A JPS5345752A (en) 1976-10-08 1976-10-08 Preparation for heat exchanger covered with porcelain enamel of hot water boiler

Publications (1)

Publication Number Publication Date
JPS5345752A true JPS5345752A (en) 1978-04-24

Family

ID=14784000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12034876A Pending JPS5345752A (en) 1976-10-08 1976-10-08 Preparation for heat exchanger covered with porcelain enamel of hot water boiler

Country Status (1)

Country Link
JP (1) JPS5345752A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188932A (en) * 1984-10-08 1986-05-07 Takeuchi Press Kogyo Kk Manufacture of deformed can
JPS61206533A (en) * 1985-03-09 1986-09-12 Machiyama Seisakusho:Kk Forming method for aerosol can
JPS63168139A (en) * 1986-12-29 1988-07-12 後藤　武夫 Production of core made of stainless steel of canteen, thermos and jar

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188932A (en) * 1984-10-08 1986-05-07 Takeuchi Press Kogyo Kk Manufacture of deformed can
JPS61206533A (en) * 1985-03-09 1986-09-12 Machiyama Seisakusho:Kk Forming method for aerosol can
JPS63168139A (en) * 1986-12-29 1988-07-12 後藤　武夫 Production of core made of stainless steel of canteen, thermos and jar

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