GB185827A - Improvements in or relating to tube expanders - Google Patents
Improvements in or relating to tube expandersInfo
- Publication number
- GB185827A GB185827A GB1595521A GB1595521A GB185827A GB 185827 A GB185827 A GB 185827A GB 1595521 A GB1595521 A GB 1595521A GB 1595521 A GB1595521 A GB 1595521A GB 185827 A GB185827 A GB 185827A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- head
- tubes
- mandrel
- roller
- 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
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
185,827. Kneller, W. H. June 9, 1921. Tube-expanders. - In a tubeexpander of the roller-head type for expanding the tubes into the tube-plates of fire-tube boilers, the roller-head is carried by a long hollow rod so that the tool may be inserted from the smoke-box end to expand the tubes at the fire box end. The roller head A, which is provided with radial slots to receive tapered skew rolls X with rounded ends is secured to or formed integral with the hollow rod F, which is screw-threaded at 0 and furnished with a thrustplate P held in place at the end of the tube by an adjustable selflocking stop-nut consisting of a split nut Q and internally tapered collar S. The rolls are expanded and the tool rotated, by a tapered mandrel G provided with a handle N, a spring T being secured to the mandrel and engaging the end of the hollow rod so as to withdraw the mandrel to enable the tool to be removed after expanding. The rolls are inserted into the head through the aperture in the end thereof. According to the Provisional Specification, a ball thrust bearing may be arranged between the tube and the stop-nut and the apparatus may be employed to expand the tubes of water-tube boilers. Reference has been directed by the Comptroller to Specifications 2995/80, 26502/97, and 6768/98, [all in Class 99, Pipes &c.].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1595521A GB185827A (en) | 1921-06-09 | 1921-06-09 | Improvements in or relating to tube expanders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1595521A GB185827A (en) | 1921-06-09 | 1921-06-09 | Improvements in or relating to tube expanders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB185827A true GB185827A (en) | 1922-09-11 |
Family
ID=10068564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1595521A Expired GB185827A (en) | 1921-06-09 | 1921-06-09 | Improvements in or relating to tube expanders |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB185827A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899526A (en) * | 2019-12-09 | 2020-03-24 | 袁福英 | Working method of expanding device for steel pipe machining |
-
1921
- 1921-06-09 GB GB1595521A patent/GB185827A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899526A (en) * | 2019-12-09 | 2020-03-24 | 袁福英 | Working method of expanding device for steel pipe machining |
| CN110899526B (en) * | 2019-12-09 | 2021-07-02 | 江苏扬园金属制造有限公司 | Working method of expanding device for steel pipe machining |
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