Riser sleeves for custom sizing and firm gripping

Details Riser sleeves for custom sizing and firm gripping Riser sleeves for custom sizing and firm gripping

1997-06-13

1999-06-29

Ryan, Patrick

Metal founding

Process

Shaping liquid metal against a forming surface

164359, 164122, B22C 908, B22D 2704

Patent

active

059154500

ABSTRACT:
This invention relates to riser sleeves which contain markings and concentric grooves. The markings are used to as a guide so one can customize the size of the sleeves and the concentric grooves are used to help hold the sleeve in place when it is placed in the mold where it surrounds the riser. The invention also relates to the use of the riser sleeves in the making of metal castings.

REFERENCES:
patent: 4131152 (1978-12-01), Ruddle et al.
patent: 4423762 (1984-01-01), Trinkl et al.
patent: 4526219 (1985-07-01), Dunnavant
patent: 4574869 (1986-03-01), Trinkle et al.
patent: 4665966 (1987-05-01), Neu et al.
patent: 5299625 (1994-04-01), Miki et al.
Transactions of the American Foundrymens Society--vol. 86 p. 431; vol. 72 p. 433--Riser Sleeves, '78 & '74.
Thomas Register via Internet , Thomas Publishing Company--Classification Search-Foundry Supplies & Equipment, 1998.

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