Waterproofing drawings and tracings without crimping: J. S. Carpenter. (Engineering news-record, vol. 81, no. 13, p. 597, September 26, 1918)
- Publisher
- Elsevier Science
- Year
- 1918
- Tongue
- English
- Weight
- 68 KB
- Volume
- 186
- Category
- Article
- ISSN
- 0016-0032
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✦ Synopsis
such cases is that a second operation is avoided. The important commercial application of the thread-rolling process is found in the shops and factories using machines designed especially for this work. These machines are extensively employed in certain lines of manufacture for threading such parts as bolts, screws, studs, rods, etc., especially where such threaded parts are required in large quantities. Screw threads that are within the range of the rolling process may be produced more rapidly by this meqchod than in any other way, which accounts for the use of thread-rolling machines in connection with bolt and screw manufacture and wherever thousands of duplicate threaded parts are required.
Watei'proofing Drawings and Tracings Without Crimping.