IT1269710B - PNEUMATIC EXPANDABLE SHAFT WITH MECHANICAL PRECENTRATION MEANS FOR THE SUPPORT OF COILS AND SIMILAR - Google Patents
PNEUMATIC EXPANDABLE SHAFT WITH MECHANICAL PRECENTRATION MEANS FOR THE SUPPORT OF COILS AND SIMILARInfo
- Publication number
- IT1269710B IT1269710B ITMI940175A ITMI940175A IT1269710B IT 1269710 B IT1269710 B IT 1269710B IT MI940175 A ITMI940175 A IT MI940175A IT MI940175 A ITMI940175 A IT MI940175A IT 1269710 B IT1269710 B IT 1269710B
- Authority
- IT
- Italy
- Prior art keywords
- mechanical
- coils
- precentration
- similar
- support
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/24—Constructional details adjustable in configuration, e.g. expansible
- B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
- B65H75/243—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid
- B65H75/2437—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid comprising a fluid-pressure-actuated elastic member, e.g. a diaphragm or a pneumatic tube
Landscapes
- Winding Of Webs (AREA)
- Manufacture Of Motors, Generators (AREA)
- Coils Or Transformers For Communication (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
Il presente trovato si riferisce ad un albero espandibile ad azionamento pneumatico con mezzi meccanici di precentraggio per il supporto di bobine e simili che comprende un corpo cilindrico allungato inseribile assialmente in una bobina e presentante, sulla superficie esterna, una pluralità di listelli circonferenzialmente uniformemente distribuiti ed espandibili radialmente per l'azione di camere pneumatiche.La peculiarità del trovato è costituita dal fatto che almeno tre dei citati listelli sono elasticamente flessibili per definire almeno porzioni del loro sviluppo longitudinale espandibili radialmente per elasticità intrinseca per definire zone di precentraggio meccanico di detto albero rispetto a detta bobina.The present invention relates to a pneumatically operated expandable shaft with mechanical pre-centering means for supporting coils and the like which comprises an elongated cylindrical body which can be axially inserted in a coil and which has, on the external surface, a plurality of circumferentially uniformly distributed strips and radially expandable by the action of pneumatic chambers The peculiarity of the invention is that at least three of the mentioned strips are elastically flexible to define at least portions of their longitudinal development radially expandable by intrinsic elasticity to define areas of mechanical pre-centering of said shaft with respect to to said coil.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI940175A IT1269710B (en) | 1994-02-01 | 1994-02-01 | PNEUMATIC EXPANDABLE SHAFT WITH MECHANICAL PRECENTRATION MEANS FOR THE SUPPORT OF COILS AND SIMILAR |
DE69504715T DE69504715D1 (en) | 1994-02-01 | 1995-01-23 | Pneumatically operated expansion winding shaft with mechanical self-centering device |
EP95100854A EP0665180B1 (en) | 1994-02-01 | 1995-01-23 | Pneumatically-actuated expanding shaft with mechanical pre-centering means for supporting rolls and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI940175A IT1269710B (en) | 1994-02-01 | 1994-02-01 | PNEUMATIC EXPANDABLE SHAFT WITH MECHANICAL PRECENTRATION MEANS FOR THE SUPPORT OF COILS AND SIMILAR |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI940175A0 ITMI940175A0 (en) | 1994-02-01 |
ITMI940175A1 ITMI940175A1 (en) | 1995-08-01 |
IT1269710B true IT1269710B (en) | 1997-04-15 |
Family
ID=11367717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI940175A IT1269710B (en) | 1994-02-01 | 1994-02-01 | PNEUMATIC EXPANDABLE SHAFT WITH MECHANICAL PRECENTRATION MEANS FOR THE SUPPORT OF COILS AND SIMILAR |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0665180B1 (en) |
DE (1) | DE69504715D1 (en) |
IT (1) | IT1269710B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1283439B1 (en) * | 1996-07-17 | 1998-04-21 | Finsid S R L | PNEUMATIC EXPANDING SHAFT |
DE10151860B4 (en) * | 2001-10-24 | 2004-01-29 | Saueressig Gmbh & Co. | Tensioning shaft, system consisting of tensioning shaft and sleeve and rotary printing machine as well as processes for the dynamic stabilization of a tensioning shaft |
CN101602450B (en) * | 2009-07-02 | 2011-04-06 | 西南铝业(集团)有限责任公司 | Air bag type expanded shaft |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2248716A (en) * | 1940-04-20 | 1941-07-08 | Jr George B Markle | Arbor for spools or the like |
IT1100972B (en) * | 1978-10-23 | 1985-09-28 | Gattrugeri Giovanni | DYNAMIC FLUID EXPANSION ELEMENT SHAFT FOR FIXING |
FR2632294B3 (en) * | 1988-06-02 | 1990-12-21 | Achard Picard Jean | EXPANDABLE AND RETRACTABLE SHAFT, PARTICULARLY FOR TIGHTENING COIL CHUCKS RECEIVING BAND MATERIALS |
-
1994
- 1994-02-01 IT ITMI940175A patent/IT1269710B/en active IP Right Grant
-
1995
- 1995-01-23 EP EP95100854A patent/EP0665180B1/en not_active Expired - Lifetime
- 1995-01-23 DE DE69504715T patent/DE69504715D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0665180B1 (en) | 1998-09-16 |
ITMI940175A0 (en) | 1994-02-01 |
ITMI940175A1 (en) | 1995-08-01 |
DE69504715D1 (en) | 1998-10-22 |
EP0665180A3 (en) | 1996-04-03 |
EP0665180A2 (en) | 1995-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970225 |