Bearing

547,876. Polyamides ; machine bearings. DU PONT DE NEMOURS & CO., E.I. Jan. 8, 1941, No. 263. Convention date, Jan. 8, 1940. Drawings to Specification. [Class 2 (iii)] The load-bearing element of a machine bearing comprises a high molecular weight polyamide. Specified polyamides are polyhexameth...

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Bibliographic Details
Main Author AUSTIN PAUL R
Format Patent
LanguageEnglish
Published 17.06.1941
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
BEARINGS
BLASTING
CHEMISTRY
COMPOSITIONS BASED THEREON
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
GENERAL PROCESSES OF COMPOUNDING
HEATING
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THEIR PREPARATION OR CHEMICAL WORKING-UP
THERMAL INSULATION IN GENERAL
WEAPONS
WORKING-UP
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Summary:547,876. Polyamides ; machine bearings. DU PONT DE NEMOURS & CO., E.I. Jan. 8, 1941, No. 263. Convention date, Jan. 8, 1940. Drawings to Specification. [Class 2 (iii)] The load-bearing element of a machine bearing comprises a high molecular weight polyamide. Specified polyamides are polyhexamethylene adipamide, polyhexamethylene sebacamide, polyhexamethylene terephthalamide, poly - # - aminocaproamide, and polytetramethylene adipamide. Fillers, lubricants and reinforcing and colouring agents may be incorporated with the polyamide, and specified additions are graphite, mica, asbestos, high boiling esters of carboxylic acids, high boiling sulphonamides, phenols, metal powder or wire, fibres, fabrics, threads, pigments and dyes. The bearings should contain at least 10 per. cent. polyamide. Specification 461,236 is referred to. Reference has been directed by the Comptroller to Specification 536,130.
Bibliography:Application Number: US19400312965