177:, he found that the French type of shell and components had been decided upon, but that the design of the booster casing had been modified by doing away with the taper on its outside because of its being too difficult to permit of manufacture in large quantities, and substituting for it a straight cylindrical surface. Furthermore, Mr. Carlson found that the Department, having been advised by competent manufacturers that even the straight-sided booster casing could not be drawn from the flat sheet, owing to its enlarged threaded end, had fully decided to machine all casings from the solid bar in automatic screw machines. The Department was prepared to pay 14 cents each for these casings so made."
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188:"The Rockwood Sprinkler Company, Worcester, Mass., of which Mr. Carlson was general superintendent, contracted to make these casings for the Ordnance Department. Mr. Carlson made a series of inventions to perfect his method of manufacture and make it entirely practical and organized a new manufacturing department which made over twenty million casings. Due to the large saving in
213:
constructed in the United States there was a massive increase in fires that would destroy entire buildings & lives. To help combat this problem, Hjalmar
Carlson developed the overhead sprinkler system which can be seen on ceilings around the world today. Not nearly as impactful but he also developed an early version of today’s bottle cap."
212:
His grand-grandson Evan
Carlson (2017) summarized about Carlson's inventions that "most things he invented would go unnoticed like so many great innovations do but these inventions changed people’s lives. For instance, as city densities exponentially increased & larger apartment buildings were
153:"For many years before the war and throughout its duration the French used in their 75-mm. gun a shell having a tapered booster casing made by hot-drawing a short round billet, until the approximate shape was obtained, and then either finish-forming in process, or machining it to the exact shape."
180:"Mr. Carlson convinced the officials of the Ordnance Department that their substitute design for the French type could and should be cold-drawn from flat stock rather than machined from bars in automatic screw machines, and also that the exact French tapered model could also be thus reproduced."
200:, the Rockwood Company was able to produce the casings at a much lower price than that first estimated, delivered them several weeks ahead of the contract time of delivery, and did much in helping other government contractors to fill their contracts."
173:, without subsequent machining, the French type of booster casing from “dead soft, deep drawing” sheet steel. Soon after the United States entered the war, in a talk with the officer in charge of the design and production of
80:
for "his invention and part in the production of 20,000,000 Mark III drawn steel booster casings used principally as a component of 75-mm high explosive shells and bombs." In 1924 the ASME also awarded him the
150:
at the target. The production of boosters is dependent upon the booster casing, a component entirely new to the manufacturers of this country and even to the
Ordnance Department before the war."
73:
to the
Rockwood Sprinkler Co. In 1930 when Rockwood Sprinkler Co. was absorbed by the Gamewell Co., manufacturer of fire alarm systems, Carlson had resigned as superintendent.
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The 20,000,000 steel booster casings had been used as component of 75-mm high-explosive shells in World War I, but also in bombs, gas shells and other munitions.
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worker, and made his way up to general superintendent and mechanical engineer. In most of his patented inventions
Carlson acted as
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The
Swedish Heritage in America: The Swedish Element in America and American-Swedish Relations in Their Historical Perspective.
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And more specific about
Carlson invented a process of cold-drawing, and his role in selling it to the US Ordnance Department:
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184:
The method developed by
Carlson was further perfected for practical manufacture, as the ASME committee further explained:
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committee made the following outline of Mr. Carlson's achievements relative to the production of these casings:
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Carlson worked most of his career at the
Rockwood Sprinkler Company of Massachusetts. He had started working as
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for "inventions and processes in the field of
Ordnance which materially aided victory in the
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Mechanical engineering : the journal of the American Society of Mechanical Engineers,
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at an industrial estate, who arrived in the United States in 1900. Carlson settled in
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socket, is one of the components essential to the proper functioning of a
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for his part in the production of state of the art ammunition for the
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ASME. "Recommends Hjalmar G. Carlson For His Notable Invention," in:
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Patent US1185543 - Valve for automatic sprinkler systems, &c
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Transactions of the American Society of Mechanical Engineering.
169:"About a year before the war Mr. Carlson invented a process of
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Transactions of the American Society of Mechanical Engineers,
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Popular Mechanics Magazine: Written So You Can Understand it.
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Patent US1165316 - Method of making bicycle crank-hangers
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The Journal of the Worcester Polytechnic Institute.
388:New York : The Society. Vol. 23, 1921, p. 67.
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292:American Society of Mechanical Engineers. p. 33
164:Basic drawing process for a wire, bar or tube.
30:, superintendent, and inventor, who worked in
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413:American Society of Mechanical Engineers,
138:consisting of a booster casing, charge of
34:. He is known for being awarded the first
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428:Creative solving problems wit technology
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1125:Swedish emigrants to the United States
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102:In 1921 Carlson was awarded the first
76:In 1921 Carlson was awarded the first
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108:United States Army Ordnance Corps
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22:(1879 - c. 1930s) was an American
16:American metal worker and inventor
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223:Patent US984647 - Hanger-block
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261:United States Federal Census
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50:Carlson was born in 1879 in
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1115:People from Östergötland
1073:Katepalli R. Sreenivasan
787:Christopher C. Kraft Jr.
417:Volume 62, 1941, p. 224.
241:Patent US1572379 - Flier
60:Worcester, Massachusetts
32:Worcester, Massachusetts
20:Hjalmar Gotfried Carlson
703:Llewellyn M. K. Boelter
518:Robert Andrews Millikan
125:15 inch high-explosive
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38:in 1921, and the first
1019:Siavouche Nemat-Nasser
345:Vol. 87, 1930, p. 1169
301:Allan Kastrup (1975),
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130:
1120:ASME Medal recipients
965:Bradford W. Parkinson
572:Edward P. Bullard Jr.
449:Listing of inventions
434:. Accessed 08-05-2017
370:Vol. 5-6, 1925, p. 76
321:Vol 25, 1922. p. 116.
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977:Richard J. Goldstein
900:Richard H. Gallagher
775:Horace Smart Beattie
721:C. Richard Soderberg
590:Charles F. Kettering
333:Vol. 87, 1930, p. 39
288:The Society (1925),
217:Patents, a selection
198:expense of operation
175:artillery ammunition
148:high-explosive shell
1007:C. Daniel Mote, Jr.
959:Norman R. Augustine
828:Jacob P. Den Hartog
596:Theodore von Kármán
506:Frederick A. Halsey
273:Henry Haven Windsor
1055:Reginald I. Vachon
1049:Thomas J.R. Hughes
947:Warren M. Rohsenow
924:H. Norman Abramson
906:Robert C. Dean Jr.
816:Raymond D. Mindlin
709:Wilbur H. Armacost
638:Frederick G. Keyes
500:Hjalmar G. Carlson
483:Recipients of the
447:Hjalmar G. Carlson
432:hjalmarcarlson.com
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129:shells, circa 1917
26:worker, expert in
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953:Leroy S. Fletcher
941:Arthur E. Bergles
912:Bernard Budiansky
894:Daniel C. Drucker
888:Harley A. Wilhelm
846:Jack N. Binns Sr.
769:Robert R. Gilruth
757:Samuel C. Collins
691:Granville M. Read
685:E. Burnley Powell
650:Harvey C. Knowles
644:Fred L. Dornbrook
620:William F. Durand
578:Stephen J. Pigott
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1043:Zděnek P. Bažant
1013:Jan D. Achenbach
882:William R. Sears
793:Nicholas J. Hoff
763:Lloyd H. Donnell
733:Igor I. Sikorsky
697:Harry F. Vickers
608:Lewis K. Sillcox
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1100:1879 births
1079:Huajian Gao
1037:J. N. Reddy
995:Nam-pyo Suh
852:Aaron Cohen
745:Jan Burgers
739:Alan Howard
112:World War I
67:sheet metal
24:sheet metal
1094:Categories
1025:Van C. Mow
1001:John Abele
485:ASME Medal
248:References
194:plant cost
104:ASME Medal
78:ASME Medal
36:ASME Medal
808:1976–2000
659:1951–1975
492:1921–1950
243:, 1924–26
237:, 1913–16
231:, 1912–15
225:, 1909–12
208:Reception
87:World War
42:in 1924.
400:(1925),
317:(1922),
190:material
142:, and a
127:howitzer
71:assignor
192:and in
136:booster
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343:Steel,
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