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US3801255A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic casting machine

Assignee: M&S Engineering Inc
•
Filing: 1970-12-22
•
Granted: 1974-04-02
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Expires: 1990-12-22
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Abstract

Abstract An automatic casting machine having means for automatically and simultaneously introducing a casting material into a plurality of molds, filling means for automatically filling the molds to a predetermined level, mold carrying means adjustable to carry molds of different sizes, means for inverting the mold carrying means and the molds carried thereby to drain excess casting material therefrom, means for uprighting the mold carrying means and conveyor mechanism for transporting the mold carrying means from the filling means through a wall building station to the inverting means and thereafter through a draining station to the uprighting means and thereafter through a parts drying station to a mold unloading station and then to a mold conditioning station.

Inventors

  • 👤 R Meyer
  • 👤 R Swanson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:15
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/34; B29C33/36; B29C33/20; B29C33/202

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 143 words
An automatic casting system comprising a mold for receiving a casting material therein to form a casting, filling means for dispensing the casting material into said mold, means for inverting said mold after the casting has been formed therein to drain excess casting material therefrom, means for uprighting said mold after the excess casting material has been drained therefrom, and mold carrying means for automatically transporting said mold to said filling means and for positioning said mold in a casting material-receiving position with respect to said filling means and for thereafter transporting said filled mold to said inverting means and for thereafter transporting said mold in the inverted position thereof to said uprighting means, said mold carrying means being constructed and arranged to maintain said mold fixedly connected thereto during transportation of said mold through said inverting means and through said uprighting means.
Claim 2
Dependent Claim 143 words
An automatic casting system comprising a mold for receiving a casting material therein to form a casting, filling means for dispensing the casting material into said mold, means for inverting said mold after the casting has been formed therein to drain excess casting material therefrom, means for uprighting said mold after the excess casting material has been drained therefrom, and mold carrying means for automatically transporting said mold to said filling means and for positioning said mold in a casting material-receiving position with respect to said filling means and for thereafter transporting said filled mold to said inverting means and for thereafter transporting said mold in the inverted position thereof to said uprighting means, said mold carrying means being constructed and arranged to maintain said mold fixedly connected thereto during transportation of said mold through said inverting means and through said uprighting means.
Claim 3
Dependent Claim 25 words
The automatic casting system set forth in claim 1, wherein said inverting means includes a rotor assembly for rotating said mold through 180* of arc.
Claim 4
Dependent Claim 36 words
The automatic casting system set forth iN claim 1, wherein said means for inverting said mold includes a rotor assembly, and means for fixedly maintaining said mold with respect to said rotor during the rotation thereof.
Claim 5
Dependent Claim 25 words
The automatic casting system set forth in claim 1, wherein said uprighting means includes a rotor assembly for rotating said mold through 180* of arc.
Claim 6
Dependent Claim 42 words
The automatic casting system set forth in claim 1, wherein said means for uprighting said mold includes a rotor assembly and said rotor assembly includes means fixedly maintaining said mold carrying means in position in said rotor assembly during the rotation thereof.
Claim 7
Dependent Claim 26 words
The automatic casting system set forth in claim 1, wherein said mold carrying means is constructed to permit rotation of a mold through a 360* revolution.
Claim 8
Dependent Claim 156 words
An automatic ceramic casting system comprising a mold for receiving a ceramic casting material therein to form a ceramic casting, filling means for dispensing the ceramic casting material into said mold, means for heating said mold and said casting material therein to form a ceramic casting have a predetermined wall thickness, means for draining excess ceramic casting material from said mold after a predetermined wall thickness of ceramic casting has been formed by rotating said mold through an arc of about 180and mold carrying means for automatically transporting said mold to said filling means and positioning said mold in a casting material-receiving position with respect to said filling means and for thereafter transporting said filled mold to said heating means and for thereafter transporting said mold to said draining means, said mold carrying means being constructed and arranged to maintain said mold fixedly connected thereto during rotation of said mold through an arc of about 180*.
Claim 9
Dependent Claim 156 words
An automatic ceramic casting system comprising a mold for receiving a ceramic casting material therein to form a ceramic casting, filling means for dispensing the ceramic casting material into said mold, means for heating said mold and said casting material therein to form a ceramic casting have a predetermined wall thickness, means for draining excess ceramic casting material from said mold after a predetermined wall thickness of ceramic casting has been formed by rotating said mold through an arc of about 180and mold carrying means for automatically transporting said mold to said filling means and positioning said mold in a casting material-receiving position with respect to said filling means and for thereafter transporting said filled mold to said heating means and for thereafter transporting said mold to said draining means, said mold carrying means being constructed and arranged to maintain said mold fixedly connected thereto during rotation of said mold through an arc of about 180*.
Claim 10
Dependent Claim 36 words
The automatic casting system set forth in claim 7, and further comprising means for drying the ceramic casting having the predetermined wall thickness within said mold after the excess ceramic casting material has been drained therefrom.
Claim 11
Dependent Claim 34 words
The automatic ceramic casting system set forth in claim 8, wherein said means for drying said ceramic casting includes means for passing heated air at high velocity past said mold containing said ceramic casting.
Claim 12
Dependent Claim 73 words
The automatic ceramic casting system set forth in claim 7, and further comprising clamp means carried by said mold carrying means, operation of said clamp means to an open condition permitting removal of the ceramic casting from said mold, and means for evaporating excess moisture from said mold after the ceramic casting has been removed, thereby to condition said mold prior to receiving therein the ceramic casting material for forming the ceramic casting.
Claim 13
Dependent Claim 278 words
An automatic casting system comprising a plurality of molds for receiving a casting material therein to form a hardened casting, automatic filling means for sequentially dispensing the casting material into said molds, means for heating said molds and the casting material therein to form a casting having a predetermined wall thickness, inverting means for inverting said molds to drain excess casting material from said molds after predetermined wall thickness of casting has been formed therein, uprighting means for returning said molds to the upright position after the excess material has been drained therefrom, drying means for hardening the casting after the predetermined wall thickness has been formed therein and the excess material drained therefrom, mold conditioning means for evaporating excess moisture from the molds after the castings have been removed therefrom, conveyor means for transporting said molds from said mold conditioning means to said mold filling means and thereafter to said heating means and thereafter to said inverting means and thereafter to said uprighting means and thereafter to said drying means, said conveying means being constructed and arranged to maintain said mold fixedly connected thereto during transportation of said mold through said inverting means and said uprighting means, first control means for said automatic filling means responsive to the height of the molds presented at said filling means by said mold carrying means to control said filling means automatically to fill molds of different heights to a predetermined level, and second control means for effecting intermittent movement of said conveyor means and the automatic operation of said automatic filling means and said inverting means and said uprighting means in timed relation to the movement of said conveyor means.
Claim 14
Dependent Claim 278 words
An automatic casting system comprising a plurality of molds for receiving a casting material therein to form a hardened casting, automatic filling means for sequentially dispensing the casting material into said molds, means for heating said molds and the casting material therein to form a casting having a predetermined wall thickness, inverting means for inverting said molds to drain excess casting material from said molds after predetermined wall thickness of casting has been formed therein, uprighting means for returning said molds to the upright position after the excess material has been drained therefrom, drying means for hardening the casting after the predetermined wall thickness has been formed therein and the excess material drained therefrom, mold conditioning means for evaporating excess moisture from the molds after the castings have been removed therefrom, conveyor means for transporting said molds from said mold conditioning means to said mold filling means and thereafter to said heating means and thereafter to said inverting means and thereafter to said uprighting means and thereafter to said drying means, said conveying means being constructed and arranged to maintain said mold fixedly connected thereto during transportation of said mold through said inverting means and said uprighting means, first control means for said automatic filling means responsive to the height of the molds presented at said filling means by said mold carrying means to control said filling means automatically to fill molds of different heights to a predetermined level, and second control means for effecting intermittent movement of said conveyor means and the automatic operation of said automatic filling means and said inverting means and said uprighting means in timed relation to the movement of said conveyor means.
Claim 15
Dependent Claim 25 words
The automatic casting system set forth in claim 11, wherein at least some of said molds are of different sizes than others of said molds.
Claim 16
Dependent Claim 24 words
The automatic casting system set forth in claim 11, wherein said filling means is operable to fill at least three molds at one time.
Claim 17
Dependent Claim 31 words
The automatic casting system set forth in claim 11, wherein said inverting means and said uprighting means are each operable to effect rotation of at least three molds at one time.
Claim 18
Dependent Claim 53 words
The automatic casting system set forth in claim 11, wherein said conveyor means includes a plurality of mold carrying means each fixedly secured to at least a portion of a respective one of said molds, each of said mold carrying means including clamp means thereon for holding the mold in fixed position thereon.
Claim 19
Dependent Claim 147 words
An automatic casting system comprising a plurality of molds for receiving casting material to form a plurality of castings, at least some of said molds being of different heights than others of said molds, filling means for dispensing the casting material into each ofl said molds, means for draining excess casting material from each of molds after the casting has been formed therein, and mold carrying means for automatically transporting each of said molds to said filling means and for positioning each of said molds in a casting material-receiving position with respect to said filling means and for thereafter transporting each of said filled molds to said draining means, said draining means being constructed and arranged to rotate said molds through an arc of about 180said mold carrying means being constructed and arranged to maintain said molds fixedly connected thereto during rotation thereof by said draining means.
Claim 20
Dependent Claim 147 words
An automatic casting system comprising a plurality of molds for receiving casting material to form a plurality of castings, at least some of said molds being of different heights than others of said molds, filling means for dispensing the casting material into each ofl said molds, means for draining excess casting material from each of molds after the casting has been formed therein, and mold carrying means for automatically transporting each of said molds to said filling means and for positioning each of said molds in a casting material-receiving position with respect to said filling means and for thereafter transporting each of said filled molds to said draining means, said draining means being constructed and arranged to rotate said molds through an arc of about 180said mold carrying means being constructed and arranged to maintain said molds fixedly connected thereto during rotation thereof by said draining means.
Claim 21
Dependent Claim 26 words
The automatic casting system set forth in claim 16, wherein said filling means is adapted simultaneously to dispense casting material into a plurality of said molds.
Claim 22
Dependent Claim 26 words
The automatic casting system set forth in claim 17, wherein said filling means is adapted simultaneously to dispense the casting material into at least three molds.
Claim 23
Dependent Claim 29 words
The automatic casting system set forth in claim 16, wherein said filling means is adapted to dispense casting material simultaneously and automatically into three molds of the same height.
Claim 24
Dependent Claim 45 words
The automatic casting system set forth in claim 16, wherein said mold carrying means is adapted incrementally to transport a plurality of said molds to said filling means and incrementally to transport a plurality of said molds from said filling means to said draining means.
Claim 25
Dependent Claim 43 words
The automatic casting system set forth in claim 16, wherein said mold carrying means is adapted incrementally to transport sets of three molds to said filling means and incrementally to transport sets of three molds from said filling means to said draining means.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-04-01 1977-10-01 1978-04-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-04-01 1981-10-01 1982-04-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-04-01 1985-10-01 1986-04-02 $7700.00 Window Closed / Lapsed

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