GB771699A - Improvements in machines for cropping tubes - Google Patents
Improvements in machines for cropping tubesInfo
- Publication number
- GB771699A GB771699A GB2748554A GB2748554A GB771699A GB 771699 A GB771699 A GB 771699A GB 2748554 A GB2748554 A GB 2748554A GB 2748554 A GB2748554 A GB 2748554A GB 771699 A GB771699 A GB 771699A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- moving blade
- internal
- eccentric
- secured
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D21/00—Machines or devices for shearing or cutting tubes
- B23D21/14—Machines or devices for shearing or cutting tubes cutting inside the tube
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
771,699. Shearing. JACKSON, Ltd., A. N., and JACKSON, A. N. Sept. 21, 1955 [Sept. 23, 1954], No. 27485/54. Class 83 (4). In a machine for shearing a tube C having fixed and movable external blades A<SP>1</SP>, D, respectively, with apertures to receive the tube C and fixed, and movable internal disc-like blades A<SP>2</SP>, D<SP>1</SP>, respectively, which pass inside the tube C, the external moving blade D is actuated through an arm E<SP>2</SP> by an eccentric and transmits the movement to the internal moving blade D<SP>1</SP> through the tube C. The tube C is supported on rollers and on a support b. The internal fixed blade A<SP>2</SP> is secured to a shaft A<SP>3</SP> and the internal moving blade D<SP>1</SP> is loosely mounted on a spindle A<SP>4</SP> secured to the shaft A<SP>3</SP>, a spring- loaded collar d<SP>3</SP> serving to locate the internal moving blade D<SP>1</SP>. The external moving blade D may be connected by arms E<SP>3</SP>, E<SP>2</SP>, Fig. 4, to two actuating eccentrics E<SP>1</SP>, E. One eccentric is rotated through a complete revolution to shear opposite sides of the tube C and then the other eccentric is likewise rotated to shear the uncut portions of the tube. In a modification the internal moving blade D<SP>1</SP> is secured to a spindle which is supported by hand. Specification 677,107 is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2748554A GB771699A (en) | 1954-09-23 | 1954-09-23 | Improvements in machines for cropping tubes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2748554A GB771699A (en) | 1954-09-23 | 1954-09-23 | Improvements in machines for cropping tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB771699A true GB771699A (en) | 1957-04-03 |
Family
ID=10260357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2748554A Expired GB771699A (en) | 1954-09-23 | 1954-09-23 | Improvements in machines for cropping tubes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB771699A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4924684A (en) * | 1989-02-23 | 1990-05-15 | Spiro America Inc. | Apparatus for forming and cutting spiral pipe |
US5609055A (en) * | 1995-03-20 | 1997-03-11 | Spiral-Helix, Inc. | Method and apparatus for cutting and notching a hollow pipe |
-
1954
- 1954-09-23 GB GB2748554A patent/GB771699A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4924684A (en) * | 1989-02-23 | 1990-05-15 | Spiro America Inc. | Apparatus for forming and cutting spiral pipe |
US5609055A (en) * | 1995-03-20 | 1997-03-11 | Spiral-Helix, Inc. | Method and apparatus for cutting and notching a hollow pipe |
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