Umbrella base having aluminum casing
作者： Oliver Ma
DOI:
关键词: Base (geometry) 、 Casing 、 Cast iron 、 Interior space 、 Metallurgy 、 Aluminium 、 Engineering 、 Seal (mechanical)
摘要: A patio umbrella base has a housing having an aluminum upper wall configured to define interior space. The further includes at least one cast iron piece positioned inside the space, and seal provided over piece(s) securing wall. can be by pouring molten in manner which completely covers piece(s).
lens.org 参考文章(10)
Oliver Joen-An Ma, Umbrella base having adjustable weights ,(1999)
Raymond Bressani, Base for poles ,(1979)
H Kramer, Portable pedestal for lawn umbrellas, stanchions, and the like ,(1972)
Raymond C. Dunaj, Collapsible stand for shade umbrellas ,(1992)
Alfred J. Bilotti, Low-profile umbrella base ,(1993)
Sheldon Berney, Base for supporting an upright post of a garden umbrella or the like ,(1984)
Earl B Rogers, Base for signs ,(1931)
Herbert A. Plassmann, Lowell T. Wilson, Portable basketball set ,(1977)
Edelmann Leo, Specific-gravity tester ,(1926)
Charles Saucier, Christmas-tree stand. ,(1916)