DE3362582D1 - Method for making closed grooves - Google Patents

Method for making closed grooves

Info

Publication number: DE3362582D1
Authority: DE; Germany
Prior art keywords: closed grooves; making closed; making; grooves; closed
Prior art date: 1982-04-30
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.): Expired

Application number

DE8383901184T

Other languages

German (de)

Inventor

Robert Knobel

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.)

Zschokke Wartmann AG

Original Assignee

Zschokke Wartmann AG

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.)

1982-04-30

Filing date

1983-04-21

Publication date

1986-04-24

1983-04-21 Application filed by Zschokke Wartmann AG filed Critical Zschokke Wartmann AG

1986-04-24 Application granted granted Critical

1986-04-24 Publication of DE3362582D1 publication Critical patent/DE3362582D1/en

Status Expired legal-status Critical Current

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
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Curtains And Furnishings For Windows Or Doors (AREA)
Bending Of Plates, Rods, And Pipes (AREA)
Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

DE8383901184T 1982-04-30 1983-04-21 Method for making closed grooves Expired DE3362582D1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH266682A CH655259A5 (en)	1982-04-30	1982-04-30	Method for producing with closed ribs provided by bodies and said method rib.
PCT/CH1983/000049 WO1983003784A1 (en)	1982-04-30	1983-04-21	Method for making closed grooves and body obtained thereby

Publications (1)

Publication Number	Publication Date
DE3362582D1 true DE3362582D1 (en)	1986-04-24

Family

ID=4238841

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8383901184T Expired DE3362582D1 (en)	1982-04-30	1983-04-21	Method for making closed grooves

Country Status (6)

Country	Link
EP (1)	EP0107674B1 (en)
JP (1)	JPS59500658A (en)
CH (1)	CH655259A5 (en)
CS (1)	CS244932B2 (en)
DE (1)	DE3362582D1 (en)
WO (1)	WO1983003784A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE9504186D0 (en) *	1995-11-23	1995-11-23	Electrolux Ab	Method for providing a sheet metal joint
DE102007004993A1 (en) *	2007-02-01	2008-08-07	Modine Manufacturing Co., Racine	Production process for flat tubes and roller mill
BR112018017001A2 (en) *	2016-02-23	2018-12-26	Koninklijke Philips Nv	manufacturing method, internal shaving member, shaving unit, and shaving or shaving apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2948197A (en) *	1958-04-25	1960-08-09	Stalker Corp	Manufacture of blades
DE1160815B (en) *	1959-07-21	1964-01-09	Hoesch Ag	Process for the production of profiles from cold-rolled or tempered steel and non-ferrous metal strips
DE1452768A1 (en) *	1963-11-02	1969-06-12	Wiesbaden Gmbh Maschf	Device for the production of the sheet metal jacket of wave tanks for transformers
US3368692A (en) *	1964-01-20	1968-02-13	Coniker Entpr Inc	Pleated pocket forming method
CH463940A (en) *	1965-09-21	1968-10-15	Luwa Ag	Method and device for the manufacture of filter inserts
FR1544252A (en) *	1966-10-24	1968-10-31	Tetra Pak Ab	A method of processing a sheet packaging material provided with transverse fold lines
US3615964A (en) *	1968-09-20	1971-10-26	Ind Insulations Inc	Method of forming creased fiber glass blanket
SE8102351L (en) *	1981-04-13	1982-10-14	Plannja Ab	PROCEDURE FOR ASTADKOMMA BOCKING

1982
- 1982-04-30 CH CH266682A patent/CH655259A5/en not_active IP Right Cessation
1983
- 1983-04-21 JP JP58501244A patent/JPS59500658A/en active Pending
- 1983-04-21 DE DE8383901184T patent/DE3362582D1/en not_active Expired
- 1983-04-21 EP EP19830901184 patent/EP0107674B1/en not_active Expired
- 1983-04-21 WO PCT/CH1983/000049 patent/WO1983003784A1/en not_active Ceased
- 1983-04-29 CS CS833056A patent/CS244932B2/en unknown

Also Published As

Publication number	Publication date
EP0107674A1 (en)	1984-05-09
JPS59500658A (en)	1984-04-19
EP0107674B1 (en)	1986-03-19
CS305683A2 (en)	1985-09-17
CH655259A5 (en)	1986-04-15
CS244932B2 (en)	1986-08-14
WO1983003784A1 (en)	1983-11-10

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Legal Events

Date	Code	Title	Description
1987-04-16	8364	No opposition during term of opposition
1990-04-12	8339	Ceased/non-payment of the annual fee