Fan seat and method for producing it

Details Fan seat and method for producing it Fan seat and method for producing it

2006-07-25

2006-07-25

Kershteyn, Igor (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Having lubricating, sealing, packing or specific bearing...

C416S24400R, C415S170100, C415S229000, C029S898050

Reexamination Certificate

active

07080973

ABSTRACT:
A fan seat (30, 30′) includes a basis (31) with a vertical extending tubal portion (32) having a pair of flanges (33) integrally formed on opposite ends of an inner circumferential surface thereof, and a bearing set (34, 34′) located in the tubal portion and sandwiched between the flanges. The bearing set includes a tube (36) and a pair of bearings (38) firmly secured in opposite ends of the tube. A method for producing the fan seat includes the following steps: providing a mold (50) with a cavity (53), locating the bearing set in the cavity with a space (60) formed between the bearing set and the mold corresponding to the tubal portion, injecting molten material into the space, and cooling the molten material whereby the molten material congeals into the tubal portion and integrates with the tube.

REFERENCES:
patent: 2990112 (1961-06-01), Levy et al.
patent: 5127745 (1992-07-01), Momose et al.
patent: 5610462 (1997-03-01), Takahashi
patent: 6137197 (2000-10-01), Taniguchi et al.
patent: RE37261 (2001-07-01), Schmider et al.
patent: 6612814 (2003-09-01), Shih et al.
patent: 575089 (2004-02-01), None

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