FI812242L - EXPANSIONSHUVUD FOER EN ANORDNING AVSEDD FOER ATT UTVIDGA ELLER UTBREDA ROERAENDAR ELLER MOTSVARANDE - Google Patents
EXPANSIONSHUVUD FOER EN ANORDNING AVSEDD FOER ATT UTVIDGA ELLER UTBREDA ROERAENDAR ELLER MOTSVARANDEInfo
- Publication number
- FI812242L FI812242L FI812242A FI812242A FI812242L FI 812242 L FI812242 L FI 812242L FI 812242 A FI812242 A FI 812242A FI 812242 A FI812242 A FI 812242A FI 812242 L FI812242 L FI 812242L
- Authority
- FI
- Finland
- Prior art keywords
- jaws
- socket
- eller
- foer
- collar
- Prior art date
Links
- 241001550206 Colla Species 0.000 abstract 1
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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
Abstract
1. Expansion head for an apparatus for flaring up or widening the ends of tubes, comprising essentially a body (1) with shifting means (2-2**1 ) for a chuck (3) the tapering end (3**1 ) of which is acting urgingly within the corresponding bore (5**3 ) of a plurality of independent concentric jaws (5) in the form of sectors interconnected by a retaining elastic means (O) positioned within a circular groove (5**4 ) established underneath the common colla (5**5 ) for each one of the aforesaid jaws (5) in order to constitute the expansion head proper, the collar (5**5 ) of which is abutted within the shouldered bore (4**3 ) of a socket (4) secured at the end of the body (1), characterized in that all the retaining means (O and A) of the jaws (5) are disposed underneath their common collar (5**5 ) to permit an extensive range of dimensions of the jaws (5) with the same socket (4), the elastic but collapsible means (A) of said jaws (5) relative to the bottom of said socket (4) being centered and positioned within a groove (5**7 ) of the aforesaid jaws (5) while protruding alternately from the external diameter of the expansion head (T) for retaining same axially and vertically in combination on the one hand with the lower face (4**4 ) of the socket (4) and on the other hand with the opposite collar (5**5 ) abutted on the inside shouldering (4**3 ) of said socket (4).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8016173A FR2486834A1 (en) | 1980-07-18 | 1980-07-18 | EXPANSION HEAD FOR AN APPARATUS FOR EXHAUSTING OR EXTENDING TUBES OR THE LIKE |
Publications (1)
Publication Number | Publication Date |
---|---|
FI812242L true FI812242L (en) | 1982-01-19 |
Family
ID=9244417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI812242A FI812242L (en) | 1980-07-18 | 1981-07-16 | EXPANSIONSHUVUD FOER EN ANORDNING AVSEDD FOER ATT UTVIDGA ELLER UTBREDA ROERAENDAR ELLER MOTSVARANDE |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0044795B1 (en) |
AT (1) | ATE11115T1 (en) |
BE (1) | BE889656A (en) |
CH (1) | CH641383A5 (en) |
DE (2) | DE44795T1 (en) |
DK (1) | DK309481A (en) |
FI (1) | FI812242L (en) |
FR (1) | FR2486834A1 (en) |
IT (1) | IT1138063B (en) |
NO (1) | NO153720C (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4615198A (en) * | 1985-06-26 | 1986-10-07 | Westinghouse Electric Corp. | Apparatus and method for reforming and rolling tube ends |
DE4202348C1 (en) * | 1992-01-29 | 1993-06-09 | Rothenberger Werkzeuge-Maschinen Gmbh, 6233 Kelkheim, De | Tube end expansion tool - has holding drillings for guide pins at inner and outer flange sectors |
CH699306A1 (en) * | 2008-08-13 | 2010-02-15 | Finemon Ag | Flaring tool for pipes and pipe pressing clutch. |
DE202010004948U1 (en) | 2010-04-13 | 2011-09-01 | Rehau Ag + Co. | Expander head for hollow workpieces with guided segments |
DE102012100894A1 (en) | 2012-02-03 | 2013-08-08 | Rehau Ag + Co | Expander head for expander tools, this comprehensive expansion tool and their use |
DE202012104450U1 (en) | 2012-11-19 | 2014-02-25 | Rehau Ag + Co | Expansion head for expansion tools and this comprehensive expansion tool |
CN106584877B (en) * | 2016-12-09 | 2023-05-30 | 重庆寅悦恒工贸有限公司 | Pipe fitting centering mechanism for vehicle |
DE202019107067U1 (en) * | 2019-12-18 | 2021-03-19 | Rehau Ag + Co | Expansion head for expansion tools as well as this comprehensive expansion tool |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1291839A (en) * | 1969-07-18 | 1972-10-04 | Dale Ltd John | A taper-expanding mandrel |
US3888102A (en) * | 1972-10-10 | 1975-06-10 | Salvatore A Nigido | Swedger apparatus |
DE2505915A1 (en) * | 1975-02-13 | 1976-08-26 | Rothenberger Schweisstech | DEVICE FOR EXPANSION OF PIPE ENDS |
DE2552607C2 (en) * | 1975-11-24 | 1985-08-01 | Rothenberger GmbH & Co Werkzeuge-Maschinen KG, 6000 Frankfurt | Hand tool for expanding pipe ends |
DE2654102C2 (en) * | 1976-11-29 | 1984-01-05 | Rothenberger GmbH & Co Werkzeuge-Maschinen KG, 6000 Frankfurt | Expansion head for pipe expanding devices with exchangeable expansion jaws |
-
1980
- 1980-07-18 FR FR8016173A patent/FR2486834A1/en active Granted
-
1981
- 1981-07-10 CH CH453081A patent/CH641383A5/en not_active IP Right Cessation
- 1981-07-13 DK DK309481A patent/DK309481A/en not_active Application Discontinuation
- 1981-07-14 NO NO812413A patent/NO153720C/en unknown
- 1981-07-15 IT IT22943/81A patent/IT1138063B/en active
- 1981-07-16 DE DE198181420105T patent/DE44795T1/en active Pending
- 1981-07-16 AT AT81420105T patent/ATE11115T1/en not_active IP Right Cessation
- 1981-07-16 FI FI812242A patent/FI812242L/en not_active Application Discontinuation
- 1981-07-16 DE DE8181420105T patent/DE3168139D1/en not_active Expired
- 1981-07-16 EP EP81420105A patent/EP0044795B1/en not_active Expired
- 1981-07-17 BE BE2/59269A patent/BE889656A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO153720B (en) | 1986-02-03 |
ATE11115T1 (en) | 1985-01-15 |
IT1138063B (en) | 1986-09-10 |
DE3168139D1 (en) | 1985-02-21 |
DE44795T1 (en) | 1983-08-04 |
EP0044795B1 (en) | 1985-01-09 |
BE889656A (en) | 1981-11-16 |
FR2486834B1 (en) | 1985-04-05 |
CH641383A5 (en) | 1984-02-29 |
EP0044795A2 (en) | 1982-01-27 |
FR2486834A1 (en) | 1982-01-22 |
NO153720C (en) | 1986-05-14 |
NO812413L (en) | 1982-01-19 |
IT8122943A0 (en) | 1981-07-15 |
EP0044795A3 (en) | 1982-05-12 |
DK309481A (en) | 1982-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn [patent] |
Owner name: UNICUM S.A. |