Methods and apparatus for heat treatment and sand removal...

Metal founding – Process – Including recycling of process material

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C164S131000, C164S132000, C164S121000

Reexamination Certificate

active

10686684

ABSTRACT:
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of nozzles mounted in preset positions corresponding to the known indexed positions of the castings passing through the heat treatment station. The nozzles apply heat to the castings for heat treating the castings and dislodging the sand cores for removal from the castings.

REFERENCES:
patent: 2385962 (1945-10-01), Barnett
patent: 2813318 (1957-11-01), Horth
patent: 2988351 (1961-06-01), Barnett et al.
patent: 3194545 (1965-07-01), Smith
patent: 3222227 (1965-12-01), Baugh et al.
patent: 3351687 (1967-11-01), Thorne et al.
patent: 3432368 (1969-03-01), Nakamura
patent: 3534946 (1970-10-01), Westerkamp et al.
patent: 3604695 (1971-09-01), Steeper
patent: 3675905 (1972-07-01), Placek
patent: 3737280 (1973-06-01), Cromp
patent: 3760800 (1973-09-01), Staffin et al.
patent: 3794232 (1974-02-01), Petri
patent: 3856583 (1974-12-01), Sanders et al.
patent: 3871438 (1975-03-01), Vissers et al.
patent: 3993420 (1976-11-01), Haas et al.
patent: 3996412 (1976-12-01), Schaefer et al.
patent: 4021272 (1977-05-01), Asai et al.
patent: 4027862 (1977-06-01), Schaefer et al.
patent: 4068389 (1978-01-01), Staffin et al.
patent: 4098624 (1978-07-01), Laird, Jr.
patent: 4140467 (1979-02-01), Ellison et al.
patent: 4161389 (1979-07-01), Staffin et al.
patent: 4177085 (1979-12-01), Chadwick et al.
patent: 4177952 (1979-12-01), Rikker
patent: 4211274 (1980-07-01), Slowinski et al.
patent: 4242077 (1980-12-01), Hyre
patent: 4255133 (1981-03-01), Tanifuji et al.
patent: 4257767 (1981-03-01), Price
patent: 4294436 (1981-10-01), Takahashi
patent: 4325424 (1982-04-01), Scheffer
patent: 4336076 (1982-06-01), Edamura et al.
patent: 4338077 (1982-07-01), Shibayama et al.
patent: 4340433 (1982-07-01), Harding
patent: 4357135 (1982-11-01), Wilde et al.
patent: 4392814 (1983-07-01), Harding
patent: 4411709 (1983-10-01), Nakanishi
patent: 4415444 (1983-11-01), Guptail
patent: 4419143 (1983-12-01), Ito et al.
patent: 4420345 (1983-12-01), Ito et al.
patent: 4427375 (1984-01-01), Di Rosa
patent: 4457352 (1984-07-01), Scheffer
patent: 4457788 (1984-07-01), Staffin et al.
patent: 4457789 (1984-07-01), Wilks
patent: 4478572 (1984-10-01), Selli
patent: 4490107 (1984-12-01), Kimura et al.
patent: 4499940 (1985-02-01), Hall
patent: 4512821 (1985-04-01), Staffin et al.
patent: 4519718 (1985-05-01), Staffin et al.
patent: 4524957 (1985-06-01), Staffin et al.
patent: 4544013 (1985-10-01), Kearney et al.
patent: 4577671 (1986-03-01), Stephan
patent: 4579319 (1986-04-01), Sasaki
patent: 4582301 (1986-04-01), Wunning
patent: 4604055 (1986-08-01), Mackenzie
patent: 4606529 (1986-08-01), Tooch
patent: 4613713 (1986-09-01), Staffin et al.
patent: 4620586 (1986-11-01), Musschoot
patent: 4620884 (1986-11-01), Heath
patent: 4623400 (1986-11-01), Japka et al.
patent: 4627814 (1986-12-01), Hattori et al.
patent: 4648836 (1987-03-01), Thom
patent: 4671337 (1987-06-01), Kawai et al.
patent: 4671496 (1987-06-01), Girrell et al.
patent: 4681267 (1987-07-01), Leidel et al.
patent: 4700766 (1987-10-01), Godderidge
patent: 4752061 (1988-06-01), Dalton et al.
patent: 4779163 (1988-10-01), Bickford et al.
patent: 4802525 (1989-02-01), Heine et al.
patent: 4817920 (1989-04-01), Erfort, Jr.
patent: 4830605 (1989-05-01), Hodate et al.
patent: 4832764 (1989-05-01), Merz
patent: 4878952 (1989-11-01), Pillhoefer
patent: 4955425 (1990-09-01), McKenna
patent: 5018707 (1991-05-01), Hemsath et al.
patent: 5052923 (1991-10-01), Peter et al.
patent: 5071487 (1991-12-01), McKibben et al.
patent: 5108519 (1992-04-01), Armanie et al.
patent: 5108520 (1992-04-01), Liu et al.
patent: 5115770 (1992-05-01), Yen et al.
patent: 5120372 (1992-06-01), Yen et al.
patent: 5121786 (1992-06-01), Kawase et al.
patent: 5156800 (1992-10-01), Buchet et al.
patent: 5169913 (1992-12-01), Staffin et al.
patent: 5178695 (1993-01-01), LaSalle et al.
patent: 5226983 (1993-07-01), Skinner et al.
patent: 5239917 (1993-08-01), Lutkie et al.
patent: 5251683 (1993-10-01), Backer
patent: 5253698 (1993-10-01), Keough et al.
patent: 5263652 (1993-11-01), Iwanami et al.
patent: 5294094 (1994-03-01), Crafton et al.
patent: 5306359 (1994-04-01), Eppeland et al.
patent: 5308410 (1994-05-01), Hurimura et al.
patent: 5312498 (1994-05-01), Anderson
patent: 5327955 (1994-07-01), Easwaran
patent: 5336344 (1994-08-01), Wei
patent: 5340089 (1994-08-01), Heath et al.
patent: 5340418 (1994-08-01), Wei
patent: 5350160 (1994-09-01), Crafton et al.
patent: 5354038 (1994-10-01), Crafton
patent: 5378434 (1995-01-01), Staffin et al.
patent: 5423370 (1995-06-01), Bonnemersou et al.
patent: 5439045 (1995-08-01), Crafton
patent: 5443383 (1995-08-01), Kuehn
patent: 5477906 (1995-12-01), Legge et al.
patent: 5485985 (1996-01-01), Eppeland et al.
patent: 5514228 (1996-05-01), Wyatt-Mair et al.
patent: 5518557 (1996-05-01), Jones et al.
patent: 5531423 (1996-07-01), Crafton et al.
patent: 5536337 (1996-07-01), Wei
patent: 5547228 (1996-08-01), Abbema et al.
patent: 5547523 (1996-08-01), Blankenship, Jr. et al.
patent: 5551670 (1996-09-01), Heath et al.
patent: 5551998 (1996-09-01), Crafton et al.
patent: 5565046 (1996-10-01), Crafton et al.
patent: 5571347 (1996-11-01), Bergsma
patent: 5593519 (1997-01-01), Blankenship, Jr. et al.
patent: 5643372 (1997-07-01), Sainfort et al.
patent: 5732762 (1998-03-01), Usui et al.
patent: 5738162 (1998-04-01), Crafton
patent: 5829509 (1998-11-01), Crafton
patent: 5850866 (1998-12-01), Crafton
patent: 5901775 (1999-05-01), Musschoot et al.
patent: 6033497 (2000-03-01), Ryan et al.
patent: 6042369 (2000-03-01), Bergman et al.
patent: 6112803 (2000-09-01), Kruger
patent: 6217317 (2001-04-01), Crafton et al.
patent: 6241000 (2001-06-01), Conroy et al.
patent: 6253830 (2001-07-01), Bickford et al.
patent: 6325873 (2001-12-01), Pollkoetter
patent: 6467529 (2002-10-01), Kay
patent: 6547556 (2003-04-01), Crafton et al.
patent: 6622775 (2003-09-01), Crafton et al.
patent: 6672367 (2004-01-01), Crafton et al.
patent: 1197981 (1985-12-01), None
patent: 1 030 974 (1955-09-01), None
patent: 2307773 (1973-02-01), None
patent: 2323805 (1973-05-01), None
patent: 2310541 (1973-09-01), None
patent: 2315958 (1974-04-01), None
patent: 2337894 (1974-11-01), None
patent: 2914221 (1979-04-01), None
patent: 3206048 (1982-02-01), None
patent: 3215809 (1982-04-01), None
patent: 4012158 (1990-11-01), None
patent: 195 30 975 (1997-02-01), None
patent: 0 077 511 (1982-10-01), None
patent: 0546210 (1993-06-01), None
patent: 0 610 028 (1994-08-01), None
patent: 7043571 (1970-12-01), None
patent: 2448573 (1979-02-01), None
patent: 1392405 (1975-04-01), None
patent: 1564151 (1980-04-01), None
patent: 1569152 (1980-06-01), None
patent: 2187398 (1987-09-01), None
patent: 2230720 (1990-10-01), None
patent: 2248569 (1992-04-01), None
patent: 5653867 (1981-05-01), None
patent: 5939464 (1982-08-01), None
patent: 5825417 (1983-02-01), None
patent: 5825860 (1983-02-01), None
patent: 59219410 (1984-12-01), None
patent: 6092040 (1985-05-01), None
patent: 2074022 (1985-09-01), None
patent: 61007058 (1986-01-01), None
patent: 62110248 (1987-05-01), None
patent: 6316853 (1988-01-01), None
patent: 63016853 (1988-01-01), None
patent: 63108941 (1988-05-01), None
patent: 1-91957 (1989-04-01), None
patent: 1-122658 (1989-05-01), None
patent: 2104164 (1990-08-01), None
patent: 3-465 (1991-01-01), None
patent: 08132220 (1996-05-01), None
patent: 1129012 (1982-07-01), None
patent: 0234810 (1985-03-01), None
patent: WO97/30805 (1997-08-01), None
patent: WO98/14291 (1998-04-01), None
patent: WO 00/36354 (2000-06-01), None
patent: WO 01/08836 (2001-02-01), None
Economical Used Energy Type Continuing Heat Treating Furnace For Aluminum Castings Dogyo—Kanetsu vol. 21 No. 2 pp. 29-36—Mar. 1984.
Brochures describing Beardsley & Pipe PNEU-RECLAIM Sand Reclamation Units Prior to Aug. 13, 1992.
Brochure describing Fataluminum Sand Reclamation Units—Prior

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Methods and apparatus for heat treatment and sand removal... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods and apparatus for heat treatment and sand removal..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods and apparatus for heat treatment and sand removal... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3902632

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.