GB734481A - Improvements in or relating to apparatus for hardness testing - Google Patents
Improvements in or relating to apparatus for hardness testingInfo
- Publication number
- GB734481A GB734481A GB2701249A GB2701249A GB734481A GB 734481 A GB734481 A GB 734481A GB 2701249 A GB2701249 A GB 2701249A GB 2701249 A GB2701249 A GB 2701249A GB 734481 A GB734481 A GB 734481A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bullets
- shoot
- fall
- article
- disc
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sorting Of Articles (AREA)
Abstract
734,481. Magnetic tests. MINISTER OF SUPPLY. Oct 20, 1949, No. 27012/49. Class 37. [Also in Group XXX] Articles to be sorted in accordance with their hardness are passed through a magnetic field and a reversed magnetic field, their residual magnetism controlling sorting mechanism. The articles, e.g. armour-piercing bullets, are fed in succession into a non-magnetic tube 4, Fig. 6, and, falling under gravity pass into the field of an electromagnet 7 ; after making a few heavily damped oscillations, the article is held between the pole-pieces until the electromagnet is deenergized ; the article then falls through a constantly energized solenoid 8 providing a reversed field; a search coil 9 located within the solenoid 8 is energized in accordance with the residual magnetism of the object and actuates a relay controlling a shutter 11 to permit the article to fall into an " accept " bin or deflect it into shoot 12 to the " reject " bin. The electromagnet 7 is energized by contacts on the article-feeding mechanism. Bullets to be tested are dropped into a hopper 13, Fig. 3, in which a disc 15 having circumferential grooves 16 rotates ; the disc 15 is protected by a fixed disc 19 from the weight of the bullets not in the grooves ; the disc is continuously rotated and carries the bullets to a shoot 14, a shutter 20 being reciprocated by arm 21 to allow the bullets to fall into shoot 14 ; the shoot has jaws 23, 24, Fig. 4, which compel the bullet to fall nose first into a portion of the shoot having a leaf spring 25 which holds the bullet until the reciprocation of arm 21 withdraws the spring and allows the bullet to fall ; the bullets thus all fall from the same position to give uniform testing conditions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2701249A GB734481A (en) | 1949-10-20 | 1949-10-20 | Improvements in or relating to apparatus for hardness testing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2701249A GB734481A (en) | 1949-10-20 | 1949-10-20 | Improvements in or relating to apparatus for hardness testing |
Publications (1)
Publication Number | Publication Date |
---|---|
GB734481A true GB734481A (en) | 1955-08-03 |
Family
ID=10252749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2701249A Expired GB734481A (en) | 1949-10-20 | 1949-10-20 | Improvements in or relating to apparatus for hardness testing |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB734481A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0093566A2 (en) * | 1982-04-28 | 1983-11-09 | Rotesco Inc. | Method and apparatus for non-destructive testing of magnetical permeable bodies |
CN109142156A (en) * | 2018-07-02 | 2019-01-04 | 浙江理工大学 | Novel temperature-controlled flow control fabric degree of the getting wet tester of automatic flapping clamper |
-
1949
- 1949-10-20 GB GB2701249A patent/GB734481A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0093566A2 (en) * | 1982-04-28 | 1983-11-09 | Rotesco Inc. | Method and apparatus for non-destructive testing of magnetical permeable bodies |
EP0093566A3 (en) * | 1982-04-28 | 1984-09-26 | Rotesco Inc. | Method and apparatus for non-destructive testing of magnetical permeable bodies |
CN109142156A (en) * | 2018-07-02 | 2019-01-04 | 浙江理工大学 | Novel temperature-controlled flow control fabric degree of the getting wet tester of automatic flapping clamper |
CN109142156B (en) * | 2018-07-02 | 2024-01-09 | 浙江理工大学 | Novel temperature-control and flow-control fabric water-dipping degree tester with automatic beating clamp holder |
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