CS171419B1 - - Google Patents

Info

Publication number: CS171419B1
Authority: CS; Czechoslovakia

Application number

CS524673A

Other languages

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.)

1973-07-23

Filing date

1973-07-23

Publication date

1976-10-29

1973-07-23 Application filed filed Critical

1973-07-23 Priority to CS524673A priority Critical patent/CS171419B1/cs

1974-07-08 Priority to DE19742432655 priority patent/DE2432655A1/de

1974-07-17 Priority to JP8123174A priority patent/JPS5071559A/ja

1974-07-18 Priority to GB3192574A priority patent/GB1456284A/en

1974-07-23 Priority to FR7425575A priority patent/FR2245426A1/fr

1976-10-29 Publication of CS171419B1 publication Critical patent/CS171419B1/cs

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/15—Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/12—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Bending Of Plates, Rods, And Pipes (AREA)
Branch Pipes, Bends, And The Like (AREA)

CS524673A 1973-07-23 1973-07-23 CS171419B1 (de)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
CS524673A CS171419B1 (de)	1973-07-23	1973-07-23
DE19742432655 DE2432655A1 (de)	1973-07-23	1974-07-08	Verfahren und einrichtung zur herstellung von hochdruck-rohrkruemmern
JP8123174A JPS5071559A (de)	1973-07-23	1974-07-17
GB3192574A GB1456284A (en)	1973-07-23	1974-07-18	Production of pipe elbows for withstanding high pressure
FR7425575A FR2245426A1 (de)	1973-07-23	1974-07-23

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CS524673A CS171419B1 (de)	1973-07-23	1973-07-23

Publications (1)

Publication Number	Publication Date
CS171419B1 true CS171419B1 (de)	1976-10-29

Family

ID=5396977

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CS524673A CS171419B1 (de)	1973-07-23	1973-07-23

Country Status (5)

Country	Link
JP (1)	JPS5071559A (de)
CS (1)	CS171419B1 (de)
DE (1)	DE2432655A1 (de)
FR (1)	FR2245426A1 (de)
GB (1)	GB1456284A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2605795C2 (de) *	1976-02-13	1981-10-08	Sidro Rohrbogen GmbH, 4980 Bünde	Anordnung zum Herstellen von einzelnen Rohrbogen
DE2719353C3 (de) *	1977-04-30	1986-05-07	Sidro Rohrbogen GmbH, 4980 Bünde	Verfahren und vorrichtung zur herstellung von rohrbogen
CN105855344B (zh) *	2015-01-21	2019-05-24	保隆(安徽)汽车配件有限公司	小半径弯管的成型方法
CN105436270A (zh) *	2015-12-11	2016-03-30	北京有色金属研究总院	一种金属管材带锥度弯曲的加工方法
RU2673695C2 (ru) *	2017-05-03	2018-11-29	Федеральное государственное бюджетное образовательное учреждение высшего образования "ОРЛОВСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ имени И.С. ТУРГЕНЕВА" (ОГУ им. И.С. Тургенева)	Устройство для гибки труб
CN110640400B (zh) *	2019-09-12	2021-12-07	精达河北机床制造有限公司	一种推制弯头的生产设备及其生产方法
CN114130873A (zh) *	2021-11-19	2022-03-04	北京国电富通科技发展有限责任公司	一种大口径薄壁弯头成型方法

1973
- 1973-07-23 CS CS524673A patent/CS171419B1/cs unknown
1974
- 1974-07-08 DE DE19742432655 patent/DE2432655A1/de not_active Withdrawn
- 1974-07-17 JP JP8123174A patent/JPS5071559A/ja active Pending
- 1974-07-18 GB GB3192574A patent/GB1456284A/en not_active Expired
- 1974-07-23 FR FR7425575A patent/FR2245426A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
GB1456284A (en)	1976-11-24
DE2432655A1 (de)	1975-02-13
FR2245426A1 (de)	1975-04-25
JPS5071559A (de)	1975-06-13

Publication	Publication Date	Title
AR201758A1 (de)	1975-04-15
AU476761B2 (de)	1976-09-30
AU465372B2 (de)	1975-09-25
AR201235Q (de)	1975-02-21
AR201231Q (de)	1975-02-21
AU465453B2 (de)	1975-09-25
AU465434B2 (de)	1975-09-25
AU450229B2 (de)	1974-07-04
CS171419B1 (de)	1976-10-29
AR201229Q (de)	1975-02-21
AU466283B2 (de)	1975-10-23
AR199451A1 (de)	1974-08-30
AU477823B2 (de)	1975-06-19
AU461342B2 (de)	1975-05-22
AU447540B2 (de)	1974-03-25
AR201432A1 (de)	1975-03-14
AR196382A1 (de)	1973-12-18
AR197627A1 (de)	1974-04-23
AR195948A1 (de)	1973-11-15
AR200885A1 (de)	1974-12-27
AR200256A1 (de)	1974-10-31
AU476873B1 (de)	1975-01-09
AR210729A1 (de)	1977-09-15
AR195311A1 (de)	1973-09-28
AR193950A1 (de)	1973-05-31