Patent
Power feed mechanisms
Johnson Clarence,William Albert Eschenburg,David Danson Pettigrew +2 more
- 19 May 1953
4
About: The article was published on 19 May 1953.
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Citations
Patent
Multistep synthesis of hexafluoropropylene
James Lang Webster,Elrey L. McCann,Douglas W. Bruhnke,Jan J. Lerou,William H. Manogue,Leo Ernest Manzer,Steven H. Swearingen,Swiatoslaw Trofimenko,Cristobal Bonifaz +8 more
- 19 Dec 1990
TL;DR: In this article, the first step is a vapor-phase chlorofluorination of the starting material to one or more saturated chloroflobalocarbons, followed by the synthesis of hexafluoropropylene from acyclic three-carbon hydrocarbons.
59
Patent
Method and means for operating a drill for eliminating axial scratches during retraction
Samuel P. Henslee,Pascal J. Noronha,John B. Logan +2 more
- 30 Apr 1981
TL;DR: In this article, a drill employed for drilling holes in airframes is provided with means to rotate the drill bit during retraction and means to control the rate of retraction of the bit from the hole in a manner to prevent the formation of axial scratches in the wall of the hole.
19
Patent
Tube end finishing device
James D. Moore
- 14 Apr 1980
TL;DR: In this article, a single pass deburring and deburring of the ends of lengths of pipe with minimum loss of time, utilizing the finishing tool as a sensor to control the feed rate, is presented.
References
Patent
Power feed mechanism
Eschenburg William Albert,Johnson Clarence,Pettigrew David Dawson +2 more
- 07 Mar 1951
6
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