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US3800636A Expired / Lapsed US ⏱️ 0.0 years remaining

Concrete frame machines

Assignee: International Paper Box Machine Co Inc
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Filing: 1972-10-13
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Granted: 1974-04-02
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Expires: 1992-10-13
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Abstract

Abstract A machine tool frame mounts and carries machine tool components which face each other with a working space between them. The frame is made of compression reinforced concrete. The compression reinforcement establishes compression preloading in the frame between the machine tool components and partly around the working space.

Inventors

  • 👤 F Zagar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 12:35
CPC Classifications
F; F16; F16M; F16M7/00; B; B23; B23Q; B23Q1/00; B23Q1/01; B23Q1/015; B23Q11/00; B23Q11/001; B23Q11/0014; F16M5/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874; Y10T408/00; Y10T408/91; Y10T82/00; Y10T82/25; Y10T82/2566

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 77 words
A machine tool comprising a frame mounting and carrying machine tool components which face each other with a working space between them, said frame extending partially around said working spaced, said frame comprising compression reinforced concrete and compression means therefor, the frame being compression loaded between said components and partially around said working space by said compression means, said compression preloading approaching or exceeding the maximum tension loading of said frame between said components under operating conditions.
Claim 2
Dependent Claim 77 words
A machine tool comprising a frame mounting and carrying machine tool components which face each other with a working space between them, said frame extending partially around said working spaced, said frame comprising compression reinforced concrete and compression means therefor, the frame being compression loaded between said components and partially around said working space by said compression means, said compression preloading approaching or exceeding the maximum tension loading of said frame between said components under operating conditions.
Claim 3
Dependent Claim 71 words
A machine tool comprising a frame mounting and carrying machine tool components which face each other with working space between them, the frame comprising reinforced concrete and including means for bearing machine-operation-generated tension loads, said means including concrete walls at least partly surrounding the working space, and compression means loading said walls with compression loading which approaches or exceeds the tension loading to be borne through the walls during machine operation.
Claim 4
Dependent Claim 71 words
A machine tool comprising a frame mounting and carrying machine tool components which face each other with working space between them, the frame comprising reinforced concrete and including means for bearing machine-operation-generated tension loads, said means including concrete walls at least partly surrounding the working space, and compression means loading said walls with compression loading which approaches or exceeds the tension loading to be borne through the walls during machine operation.
Claim 5
Dependent Claim 174 words
A machine tool frame for holding machine tool components in relationship to one another comprising reinforced and compressed concrete structure comprising a base and pier means upstanding from the base, the pier means mounting and carrying at least one of said components, at least one other of said components being mounted and carried on the basE or on other pier means at a location on the base laterally removed from said mounting of said at least one component on said first mentioned pier means and defining a working space therebetween, compression reinforcement means for said concrete comprising tension rods whose end portions are anchored to the concrete and whose middle portions are free of anchoring to the concrete, said tension rods extending, directly or in series, at least from an elevated location on said first mentioned pier means that is associated with said mounting of said one component toward said location on the base laterally removed from said mounting of said one component to thereby provide compression at least partially around said working space.
Claim 6
Dependent Claim 174 words
A machine tool frame for holding machine tool components in relationship to one another comprising reinforced and compressed concrete structure comprising a base and pier means upstanding from the base, the pier means mounting and carrying at least one of said components, at least one other of said components being mounted and carried on the basE or on other pier means at a location on the base laterally removed from said mounting of said at least one component on said first mentioned pier means and defining a working space therebetween, compression reinforcement means for said concrete comprising tension rods whose end portions are anchored to the concrete and whose middle portions are free of anchoring to the concrete, said tension rods extending, directly or in series, at least from an elevated location on said first mentioned pier means that is associated with said mounting of said one component toward said location on the base laterally removed from said mounting of said one component to thereby provide compression at least partially around said working space.
Claim 7
Dependent Claim 163 words
A machine tool frame for holding machine tool components in relationship to one another comprising reinforced and compressed concrete structure comprising a base and pier means upstanding from the base, the pier means mounting and carrying at least one of said components, at least one other of said components being mounted and carried on the base or on other pier means at a location on the base laterally removed from said mounting of said at least one component on said first mentioned pier means and defining a working space therebetween, the pier means including massive parallel webs partially surrounding said at least one component and extending downwardly toward said location on the base laterally removed from said mounting of said at least one component, and compression reinforcement means within said webs and compressing them, in the idle condition of the machine tool, with a compressive force substantially no less than the tensile force to be carried by said webs under machine operating loads.
Claim 8
Dependent Claim 163 words
A machine tool frame for holding machine tool components in relationship to one another comprising reinforced and compressed concrete structure comprising a base and pier means upstanding from the base, the pier means mounting and carrying at least one of said components, at least one other of said components being mounted and carried on the base or on other pier means at a location on the base laterally removed from said mounting of said at least one component on said first mentioned pier means and defining a working space therebetween, the pier means including massive parallel webs partially surrounding said at least one component and extending downwardly toward said location on the base laterally removed from said mounting of said at least one component, and compression reinforcement means within said webs and compressing them, in the idle condition of the machine tool, with a compressive force substantially no less than the tensile force to be carried by said webs under machine operating loads.
Claim 9
Independent Claim 126 words
A method of making a machine tool which comprises the steps of fabricating a machine tool frame and providing machine tool components in mounted and carried relationship therewith with the components facing each other with an open space between them at a working zone, including the steps of fabricating the frame of reinforced concrete and compression reinforcing the concrete, said last named step including emplacing compression means for the concrete in said frame between said components and partially around said working space and impressing compression loading in said frame between said components and partially around said working space by tensioning said compression means sufficiently to impress a compression loading which approaches or exceeds the maximum tension loading of said frame between said components under operating conditions.
Claim 10
Independent Claim 126 words
A method of making a machine tool which comprises the steps of fabricating a machine tool frame and providing machine tool components in mounted and carried relationship therewith with the components facing each other with an open space between them at a working zone, including the steps of fabricating the frame of reinforced concrete and compression reinforcing the concrete, said last named step including emplacing compression means for the concrete in said frame between said components and partially around said working space and impressing compression loading in said frame between said components and partially around said working space by tensioning said compression means sufficiently to impress a compression loading which approaches or exceeds the maximum tension loading of said frame between said components under operating conditions.
Claim 11
Independent Claim 130 words
A method of making a machine tool which comprises the steps of fabricating a machine tool frame of concrete and providing machine tool components in mounted and carried relationship therewith with the components facing each other with an open space between them at a working zone, providing tension members within the frame with the middle portions of the tension members being free of anchoring to the concrete, and tensioning the tension members, after the concrete has set for a period of time, to compress the concrete, at parts of the frame extending partly around the working space and that are to be under high tensile stress under machine operating loads, to the point where the concrete at such parts will remain untensioned or minimally tensioned even under machine operating loads.
Claim 12
Independent Claim 130 words
A method of making a machine tool which comprises the steps of fabricating a machine tool frame of concrete and providing machine tool components in mounted and carried relationship therewith with the components facing each other with an open space between them at a working zone, providing tension members within the frame with the middle portions of the tension members being free of anchoring to the concrete, and tensioning the tension members, after the concrete has set for a period of time, to compress the concrete, at parts of the frame extending partly around the working space and that are to be under high tensile stress under machine operating loads, to the point where the concrete at such parts will remain untensioned or minimally tensioned even under machine operating loads.

References Cited (Backward Citations)

US1096881A Cited
US1399199A Cited
US2010557A Cited
US2971295A Cited
US3264905A Cited
US3348795A Cited

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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