Abstract: The basket framework is comprised of U-shaped members having large radius bends forming the bottom and sides of the basket without requiring welds between bottom and side members to provide a flexible structure very resistant to damage from repeated thermal expansion and contraction.
Type:
Grant
Filed:
February 7, 1979
Date of Patent:
March 10, 1981
Assignee:
Avesta Jernverks Aktiebolag
Inventors:
Sten von Matern, Rune O. W. Fredriksson
Abstract: Austenitic steel structural members having improved high temperature creep strength are formed by incorporating a rare earth metal and an alkaline earth metal into a fully austenitic steel.
Abstract: An austenitic stainless steel alloy having a high molybdenum content consisting essentially of up to 0.08% carbon, 0.01-0.8% silicon, 0.2-2.0% manganese, 17-25% chromium, 15-21% nickel, 6-10% molybdenum, 0.06-0.25% nitrogen and 0-2.0% copper and the balance of the contents of said alloy being iron with residual impurities. The alloys of the present invention have improved corrosion resistance and improved hot and cold ductility.
Type:
Grant
Filed:
January 28, 1977
Date of Patent:
March 14, 1978
Assignee:
Avesta Jernverks Aktiebolag
Inventors:
Mats Liljas, Jan Ingemar Fridberg, Hasse Sigverd Fredriksson
Abstract: A hand-operated portable tool to detonate blasting charges on a workpiece, including a tool body; a front unit, supported by the body and accommodating an explosive cartridge, for engagement with the workpiece; and a rear unit, supported by the body, including an igniting mechanism for the cartridge. The front unit is movable into a retracted position, with the rear unit being releasable only in the retracted position of the front unit. The tool body includes a first handle to release the igniting mechanism, a security mechanism to render the igniting mechanism inoperative, and a second handle and trigger to render the security mechanism temporarily inoperative, thereby rendering operative the igniting mechanism.
Type:
Grant
Filed:
November 25, 1974
Date of Patent:
December 6, 1977
Assignee:
Avesta Jernverks Aktiebolag
Inventors:
Rune Osten Walter Fredriksson, Johan Ingvar Johansson, Erhard Rudolf Boye
Abstract: A machine for dyeing or other wet-treatment of knitted, crocheted or woven textile goods, and of the kind in which the textile goods in web form is driven around through a bath of treatment liquid by means of a driving nozzle supplied with treatment liquid under pressure and through which the textile goods is passed in the form of a string or rope, wherein the driving nozzle is directed towards a guide surface deflecting the liquid jet along with the accompanying textile string or rope leaving the driving nozzle in a downward direction, owing to the driving nozzle being disposed in such a position relative to the guide surface as to cause the jet and the textile string or rope to impinge the guide surface at an acute angle, and simultaneously spreading the jet along with the string or rope laterally to cause the textile goods to enter the liquid bath spread out into web form.
Type:
Grant
Filed:
April 1, 1974
Date of Patent:
April 27, 1976
Assignee:
Avesta Jernverks Aktiebolag
Inventors:
Sven Olof Sandberg, Sven Robert E:son Smith
Abstract: A thin sheet of corrosion resistant metal is welded to a plate of structural metal by explosion welding by means of an apparatus including an elongated blasting charge holder for accommodating blasting charges, an associated elongate support, and means for pressing the thin corrosion resistant metal sheet and the structural metal plate between the blasting charge holder and the support while detonating the blasting charge.
Type:
Grant
Filed:
August 30, 1974
Date of Patent:
April 20, 1976
Assignee:
Avesta Jernverks Aktiebolag
Inventors:
Johan Ingvar Johansson, Rune Osten Walter Fredriksson