Method of manufacturing flute headjoints

Details Method of manufacturing flute headjoints Method of manufacturing flute headjoints

1985-11-05

1989-01-31

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

295276, 164 35, 164246, B29D 1700

Patent

active

048006351

ABSTRACT:
A mold is made from a flute chimney model having a precision bore, and a chimney is cast from the mold with substantially no shrinkage in bore diameter. The mold can be made from a chimney model having an entire undercut surface thereon, and the chimney cast with substantially no shrinkage in undercut diameter.

REFERENCES:
patent: 1432279 (1922-10-01), Christensen
patent: 1792928 (1931-02-01), Reigart
patent: 1805449 (1931-05-01), Gulick
patent: 2255301 (1941-09-01), Thompson
patent: 3561905 (1971-02-01), Linton, Sr.
patent: 4048709 (1977-09-01), Deem
patent: 4154282 (1979-05-01), Kull
patent: 4557312 (1985-12-01), Gonzales

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