Abstract: A method for forming a ceramic matrix composite bearing includes preparing a layup slurry from a mixture of water, pre-ceramic polymer and refractory filler. The method further includes forming a concentric stack of slurry-impregnated fabric sleeve layers over a rod-shaped inner mold and applying an outer mold to form a mold assembly. The method also includes heating the mold assembly to form a tubular green body and rough cutting the green body to bearing length. In addition, the method includes heat-treating the bearing and performing a polymer infiltration and pyrolysis treatment. The method further includes conducting dimensional stability treatment processes on the bearing and final grinding and machining to meet pre-determined specifications.
Type:
Grant
Filed:
December 30, 2016
Date of Patent:
November 19, 2019
Assignee:
Lancer Systems L.P.
Inventors:
Timothy J. Edwards, Terry A. Herb, Joseph Braza, Robert D. Cook, Jr., Kyle A. Miller, Lukas P. Millard, Christopher Corrado
Abstract: The present application teaches a magazine (10) for a firearm. In one embodiment, the magazine includes a polymeric housing (32) including an embedded metal support guard (81) and an external metal feed lip assembly (60).
Type:
Grant
Filed:
December 19, 2013
Date of Patent:
September 4, 2018
Assignee:
Lancer Systems L.P.
Inventors:
Scott Lyndsley Vilardi, Kasimere McManus, Matthew Pettit
Abstract: A handguard comprising a plurality of layers of composite material. At least one of the layers is a ceramic matrix composite and at least one of the layers, and preferably the outer later, is a carbon fiber reinforced composite. In addition, the outermost layer is preferably a woven fabric carbon fiber reinforced composite. In one embodiment, one or more ceramic matrix composite layers is sandwiched between layers of carbon fiber reinforced composite. In another embodiment, an innermost layer is a ceramic matrix composite and the outermost layer is a carbon fiber reinforced composite.
Type:
Grant
Filed:
April 4, 2016
Date of Patent:
June 13, 2017
Assignee:
Lancer Systems L.P.
Inventors:
Robert D. Cook, Jr., Kasimere McManus, Matthew Pettit