Stephen D. Murray - Marlborough CT, US Carl R. Verner - Windsor CT, US Maria A. Herring - Mystic CT, US Lea D. Kennard - Manchester CT, US Donald D. Schofield - Columbia CT, US Richard L. Ritchie - Marlborough CT, US Reade R. Clemens - Plainville CT, US Michael K. Turkington - Manchester CT, US Delwyn E. Norton - Manchester CT, US
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
B22C009/04
US Classification:
164516, 164 35
Abstract:
An apparatus for shelling an investment casting pattern has a tank containing a coating material. There are means for holding the pattern immersed in the coating material. There may be means for vibrating the pattern during immersion of the pattern and a vacuum source coupled to the tank to withdraw air from at least one headspace of the tank.
Shelling Apparatus And Methods For Investment Casting
Stephen D. Murray - Marlborough CT, US Carl R. Verner - Windsor CT, US Maria A. Herring - Mystic CT, US Lea D. Kennard - Manchester CT, US Donald D. Schofield - Columbia CT, US Richard L. Ritchie - Marlborough CT, US Reade R. Clemens - Plainville CT, US Michael K. Turkington - Manchester CT, US Delwyn E. Norton - Manchester CT, US
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
B22C 9/04
US Classification:
164165
Abstract:
An apparatus for shelling an investment casting pattern has a tank containing a coating material. There are means for holding the pattern immersed in the coating material. There may be means for vibrating the pattern during immersion of the pattern and a vacuum source coupled to the tank to withdraw air from at least one headspace of the tank.
Michael K. Turkington - Manchester CT, US Delwyn E. Norton - Manchester CT, US Steven J. Bullied - Pomfret Center CT, US
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
B22C 9/04
US Classification:
164516, 164 45
Abstract:
A wax or similar material may be molded to a base plate of an investment casting shelling fixture. The molding may provide for enhanced positioning of wax patterns or may provide a precise surface shape for the shell.
Carl R. Verner - Windsor CT, US James T. Beals - West Hartford CT, US Jacob A. Snyder - Southington CT, US Stephen D. Murray - Marlborough CT, US Michael T. Turkington - Manchester CT, US
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
B22C 7/00
US Classification:
164 45, 164516
Abstract:
Pre-molding of wax or similar sacrificial material over one or more cores facilitates a subsequent molding over a core assembly. Individual cores or groups thereof may be pre-molded in a wax body. One or more such wax bodies may be assembled with other bodies and/or other cores to facilitate a main wax molding of such assembly.
James T. Beals - West Hartford CT, US Samuel D. Draper - Kohler WI, US Jose A. Lopes - Glastonbury CT, US Stephen D. Murray - Marlborough CT, US Brandon W. Spangler - Rocky Hill CT, US Michael K. Turkington - Manchester CT, US Bryan P. Dube - Columbia CT, US Keith A. Santeler - Middletown CT, US Jacob A. Snyder - Southington CT, US
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
B22D 29/00
US Classification:
164132, 164369
Abstract:
A sacrificial core is used for forming an interior space of a part and includes a ceramic core element and a first core element including a refractory metal element. The ceramic core element may be molded over the first core element or molded with assembly features permitting assembly with the first core element.
Michael K. Turkington - Manchester CT, US Delwyn E. Norton - Manchester CT, US Steven J. Bullied - Pomfret Center CT, US
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
B22C 9/04
US Classification:
164516, 164 45, 164235
Abstract:
A wax or similar material may be molded to a base plate of an investment casting shelling fixture. The molding may provide for enhanced positioning of wax patterns or may provide a precise surface shape for the shell.
James Beals - West Hartford CT, US Samuel Draper - Kohler WI, US Jose Lopes - Glastonbury CT, US Stephen Murray - Marlborough CT, US Brandon Spangler - Rocky Hill CT, US Michael Turkington - Manchester CT, US Bryan Dube - Columbia CT, US Keith Santeler - Middletown CT, US Jacob Snyder - Southington CT, US
International Classification:
B22C009/10
US Classification:
164516000, 164369000
Abstract:
A sacrificial core for forming an interior space of a part includes a ceramic core element and a first core element including a refractory metal element. The ceramic core element may be molded over the first core element or molded with assembly features permitting assembly with the first core element.
Methods And Materials For Attaching Ceramic And Refractory Metal Casting Cores
Carl Verner - Windsor CT, US Michael Turkington - Manchester CT, US Mark Bartholomew - Enfield CT, US
International Classification:
B22C 9/04 B22D 33/04
US Classification:
164519000, 164137000, 164516000
Abstract:
A slurry is used to secure a metallic casting core to a ceramic casting core. The slurry may be introduced between the metallic and ceramic casting cores and hardened. The slurry may comprise zircon and aqueous colloidal silica.