Abstract:
In a lubrication system for an apparatus having a bearing assembly in a lubricant cavity therefor, there is provided means in the lubricant cavity for storing a liquid libricant and for releasing it to effect a supply thereof to the bearing assembly. The storing and releasing means is generally constituted by a mixture of the liquid lubricant, a particulate mass of synthetic fibers, and a particulate mass of discrete, non-fibrous, multi-digited, resilient-type foam particles and wherein the foam particles of the particulate mass thereof are generally saturated with the liquid lubricant.
Abstract:
Bearing materials having low coefficient of friction and high wear resistance comprise 50 to 90 percent by weight of a powdered solid lubricant bonded by a polymerized mixture of unsaturated organic compounds, containing at least 30% divinylbenzene. The solid lubricant is preferably MoS.sub.2 or a mixture of MoS.sub.2 and graphite. The binder is preferably polymerized technical divinylbenzene, a mixture of isomers.
Abstract:
An antifriction polymeric material intended for use in friction members designed to withstand specific pressures of up to 400 kg/sq.cm. and sliding speeds of up to 0.1 m/sec., which is formed as a cured composition comprising the following components, parts by weight:epoxy binder 36 - 48 glass cloth or fiberflass 42 - 44 polytetrafluoroethylene of crystal- linity 0.60 and particle size from 0.3 to 1.5 cu.mm. 8 - 22.
Abstract:
A lubricant composition comprising a mixture of a major amount by weight of a liquid lubricant, a minor amount by weight of particulate mass of discrete, non-fibrous, multi-digited, resilient foam particles, and a minor amount by weight of synthetic fibers. A method of forming the lubricant composition and a lubricating system utilizing the lubricant composition is also disclosed.
Abstract:
1. AN ANTIFRICTION MATERIAL CONSISTING ESSENTIALLY OF A GRAPHITE POWDER, A BINDER FOR SAID GRAPHITE, TAKEN IN AN AMOUNT OF 22-30% BY WEIGHT OF THE GRAPHITE POWDER AND CONSISTING OF PHENOL-FORMALDEHYDE RESIN, SAID GRAPHITE POWDER AND SAID BINDER TOGETHER BEING 30-95 WT. PERCENT OF SAID MATERIAL; 3% BY WEIGHT OF THE BINDER OF AN ADDITIVE SAID ADDITIVE CONSISTING ESSENTIALLY OF HEXAMETHYLENETETRAMINE, STEARINE AND CALCIUM HYDROXIDE; A POWDER OF A PLASTIC NON-FERROUS METAL, SELECTED FROM THE GROUP CONSISTING OF LEAD AND TIN, 0-60 WT. PERCENT OF SAID MATERIAL; PHENOL-ANILINEFORMALDEHYDE RESIN, 5-40 WT. PERCENT OF SAID MATERIAL; AND A FINELY DISPERSED POWDER OF AN ABRASIVE MATERIAL, SELECTED FROM THE GROUP CONSISTING OF TALC, GLASS, SILICA, AND CHROMIUM OXIDE, 0.5-5 WT. PERCENT OF SAID MATERIAL.
Abstract:
A METHOD OF PRODUCING HEAT-RESISTANT UP TO 350*C. ANTIFRICTION MATERIALS FOR DRY FRICTION UNITS. THE METHOD CONSISTS IN CURING A MIXTURE OF POLYPHENYLENE OLIGOMERS IN COMBINATION WITH VARIOUS FILLERS. THE OLIGOMERS ARE CHARACTERIZED BY THE STRUCTURE
(R,R''-PHENYL)-(X-C6H3(-R''))N-X-C*CH
WHEREIN X IS A DIRECT BAND, PHENYLENE,
(-(PHENYLENE))2-O, (-(PHENYLENE))2-(CH2)N''
N''=0-8; R IS H, PHENYL,
(4-(CH*C-)PHENYL)-
R'' IS H, PHENYL,
PYRIDINE, BR-C6H5, CL-C6H5
AND ALSO-X-CH$CH; N=0-600, WHEREIN WHEN X IS A DIRECT BOND, N IS AT LEAST 1. THE CURED PRODUCTS FEATURE A FRICTION COEFFICIENT OF 0.08-0.17, HEAT RESISTANCE UP TO 370*C., IMPACT STRENGTH UP TO 17 KG.-CM./CM.2, AND CAN BE USED, MAINLY FOR ROLLING AND SLIDING FRICTION UNITS.
Abstract:
HIGH TEMPERATURE LUBRICANTS COMPRISING HOMOGENEOUS MIXTURES OF 10 TO 90 PERCENT BY WEIGHT OF PERARYLATED SILANES WITH 90 TO 10 PERCENT BY WEIGHT OF SOLID MOS2, GRAPHITE, BN, ALUMINUM POWDER, OR LOW MELTING GLASS. THE COMPOSITIONS DISCLOSED HEREIN HAVE UTILITY IN MEETING THE ELEVATED TEMPERATURE LUBRICATION REQUIREMENTS OF THE METALWORKING INDUSTRY.