Swivel assembly for gunite systems

Claim 2

In a system for spraying a structure having a surface around a common point or line; a nozzle; swiveled conduit means; a plurality of sources of conveyable components; conduit means extending from said sources to said swiveled conduit means and conduit means extending from said swiveled conduit means to said nozzle; said swiveled conduit means incorporating wall means defining at least two separate passageways; and means for transferring said components from their corresponding source through a corresponding passage and to said nozzle; said swiveled conduit means including swivel bearing means and seal means between said wall means; liner means defining a conduit and protecting said bearing means and said seal means and spaced therefrom to define a space; and means flowing a material through said space to prevent material flowing through said conduit from entering said space between said liner and said bearing means; and said seal means.

Claim 3

In a system for spraying a structure having a surface around a common point or line; a nozzle; swiveled conduit means; a plurality of sources of conveyable components; conduit means extending from said sources to said swiveled conduit means and conduit means extending from said swiveled conduit means to said nozzle; said swiveled conduit means incorporating wall means defining at least two separate passageways; and means for transferring said components from their corresponding source through a corresponding passageway and to said nozzle; means for moving said nozzle with respect to said surface; a movable support; said movable means producing movement of said movable support; said nozzle being mounted on said movable support; said swiveled conduit means being mounted on said structure; and said movable support beIng movable mounted on said structure.

Claim 4

In a system for spraying a structure having a surface around a common point or line; a nozzle; swiveled conduit means; a plurality of sources of conveyable components; conduit means extending from said sources to said swiveled conduit means and conduit means extending from said swiveled conduit means to said nozzle; said swiveled conduit means incorporating wall means defining at least two separate passageways; and means for transferring said components from their corresponding source through a corresponding passageway and to said nozzle; means for moving said nozzle with respect to said surface; a movable support; said movable means producing movement of said movable support; said nozzle being mounted on said movable support; said swiveled conduit means being mounted on said structure; and said movable support beIng movable mounted on said structure.

Claim 5

In a system for spraying a structure having a surface around a common point or line; a nozzle; swiveled conduit means; a plurality of sources of conveyable components, conduit means extending from said sources to said swiveled conduit means and conduit means extending from said swiveled conduit means to said nozzle; said swiveled conduit means incorporating wall means defining at least two separate passageways; and means for transferring said components from their corresponding source through a corresponding passageway and to said nozzle; said swiveled conduit means including a first passageway defined by an outer circular wall structure and an intermediate circular wall structure; a second passageway defined by said intermediate wall structure and an inner wall structure; each of said wall structures having a lower stationary wall portion swivelly connected to an upper movable wall portion.

Claim 6

In a system for spraying a structure having a surface around a common point or line; a nozzle; swiveled conduit means; a plurality of sources of conveyable components, conduit means extending from said sources to said swiveled conduit means and conduit means extending from said swiveled conduit means to said nozzle; said swiveled conduit means incorporating wall means defining at least two separate passageways; and means for transferring said components from their corresponding source through a corresponding passageway and to said nozzle; said swiveled conduit means including a first passageway defined by an outer circular wall structure and an intermediate circular wall structure; a second passageway defined by said intermediate wall structure and an inner wall structure; each of said wall structures having a lower stationary wall portion swivelly connected to an upper movable wall portion.

Claim 7

A system as set forth in claim 3 in which said nozzle is connected to said upper movable wall portions of each of said outer, intermediate and inner wall structures to produce joint movement of the same upon movement of the tower.

Claim 8

A system as set forth in claim 4 in which a liner is disposed within said inner wall structures with an annular space therebetween; and means producing a flow of protective substance through said annular space to maintain the swivel connection between the upper and lower wall portions of said inner wall structures free from effects of one of said components flowing through said liner.

Claim 9

A system as set forth in claim 4 in which a liner is disposed within said inner wall structures with an annular space therebetween; and means in said annular space to maintain the swivel connection between the upper and lower wall portions of said inner wall structures free from effects of one of said components flowing through said liner.

Claim 10

In a system for guniting, the outer surface of a vertical structure such as, for example, a cylindrical tank; a tower; means mounting said tower adjacent to said vertical structure for movement around and adjacent to the outer periphery of said structure; an elevator; means mounting said elevator on said tower for vertical movement thereon; gunite gun means mounted on said elevator; swiveled conduit means; means mounting said swiveled conduit means within the periphery of said structure; a source of cement-sand mix; a source of water; conduit means extending from said cement-sand source to said swiveled conduit means and conduit means extending from said swiveled conduit means to said gun means for transferring a cement-sand mix to said gun means; water conduit means extending from said source of water to said swiveled conduit means and conduit means extending from said swiveled conduit means to said gun means for transferring water to said gun means; said swiveled conduit means including separate passageways, one through which said cement-sand mix flows and another passageway through which said water flows; an air motor moving said gun means with respect to said structure; a source of compressed air; conduit means extending from said air source to said swiveled conduit means and conduit means extending from said conduit means to said motor means to produce movement of said gun means; said swiveled connection incorporating a separate passageway for the flow of air from said air source to said motor means; said air motor means producing movement of said tower around said structure; said air motor means producing movement of said elevator on said tower; said swiveled conduit means including a swivel bearing; a liner inside of said swivel bearing for the conduction of said cement-air mix with an annular air space between said liner and said bearing; and a source of air in communication with said annular space and supplying the same with air under pressure to maintain said bearing free of said cement-sand mix; said swiveled conduit means having a movable portion thereof connEcted to said tower to produce movement of the same upon movement of the tower; said swiveled conduit means being mounted on the roof of the structure; and said tower being movably mounted on the upper portion of the wall of said structure; said swiveled conduit means including a first passageway defined by an outer circular wall structure and an intermediate circular wall structure; a second passageway defined by said intermediate wall structure and an inner wall structure; each of said wall structures having a lower stationary wall portion swivelly connected to an upper movable wall portion; said tower being connected to said upper movable wall portions of each of said outer, intermediate and inner wall structures to produce joint movement of the same upon movement of the tower; said liner being disposed within said inner wall structure with an annular air space therebetween; and means producing an air stream through said annular air space to maintain the swivel connection between the upper and lower wall portions of said inner wall structures free from abrasive effects of material flowing through said liner.

Claim 11

In a system for guniting, the outer surface of a vertical structure such as, for example, a cylindrical tank; a tower; means mounting said tower adjacent to said vertical structure for movement around and adjacent to the outer periphery of said structure; an elevator; means mounting said elevator on said tower for vertical movement thereon; gunite gun means mounted on said elevator; swiveled conduit means; means mounting said swiveled conduit means within the periphery of said structure; a source of cement-sand mix; a source of water; conduit means extending from said cement-sand source to said swiveled conduit means and conduit means extending from said swiveled conduit means to said gun means for transferring a cement-sand mix to said gun means; water conduit means extending from said source of water to said swiveled conduit means and conduit means extending from said swiveled conduit means to said gun means for transferring water to said gun means; said swiveled conduit means including separate passageways, one through which said cement-sand mix flows and another passageway through which said water flows; an air motor moving said gun means with respect to said structure; a source of compressed air; conduit means extending from said air source to said swiveled conduit means and conduit means extending from said conduit means to said motor means to produce movement of said gun means; said swiveled connection incorporating a separate passageway for the flow of air from said air source to said motor means; said air motor means producing movement of said tower around said structure; said air motor means producing movement of said elevator on said tower; said swiveled conduit means including a swivel bearing; a liner inside of said swivel bearing for the conduction of said cement-air mix with an annular air space between said liner and said bearing; and a source of air in communication with said annular space and supplying the same with air under pressure to maintain said bearing free of said cement-sand mix; said swiveled conduit means having a movable portion thereof connEcted to said tower to produce movement of the same upon movement of the tower; said swiveled conduit means being mounted on the roof of the structure; and said tower being movably mounted on the upper portion of the wall of said structure; said swiveled conduit means including a first passageway defined by an outer circular wall structure and an intermediate circular wall structure; a second passageway defined by said intermediate wall structure and an inner wall structure; each of said wall structures having a lower stationary wall portion swivelly connected to an upper movable wall portion; said tower being connected to said upper movable wall portions of each of said outer, intermediate and inner wall structures to produce joint movement of the same upon movement of the tower; said liner being disposed within said inner wall structure with an annular air space therebetween; and means producing an air stream through said annular air space to maintain the swivel connection between the upper and lower wall portions of said inner wall structures free from abrasive effects of material flowing through said liner.

Claim 12

Swiveled conduit means including a first generally cylindrical wall structure; a second generally cylindrical wall structure within said first wall structure and defining an annular passageway with said first wall structure; said first and second wall structures each having a stationary portion and a movable portion; a swivel bearing interconnecting the stationary and movable portions of said first wall structure; a swivel bearing interconnecting the stationary and movable portions of said second wall structures; said movable portions of said first and second wall structures being adjacent and being interconnected for movement as a unit; a third generally cylindrical wall structure surrounding said second wall structure and defining a second annular passageway therewith; said third wall structure having a movable portion and a stationary portion; a swivel bearing interconnecting the last-mentioned movable portion being adjacent to the movable portion of said first wall portion and being connected to the movable portions of said first and second wall portions to move therewith; the swivel bearing of said third, first and second wall structures being in that order, above the plane of a stationary structure to which their stationary wall portions are connected; a liner within said second wall structure and defining an annular space therewith; means for conducting a flow of fluid through said annular space for maintaining the swivel bearing of said second wall structure free from abrasive effects of material being conducted through said liner; said first passageway defining a passageway for the flow of compressed air; the second passageway defining a passageway for the flow of liquid; and said liner defining a passageway for the flow of a cement-sand mixture; air conduit means extending through the stationary portion of said third wall structure and the stationary portion of said first wall structure; and conduit air means extending through said stationary portions of each of said third, first and second wall structures into the annular space between said liner and said second wall structure; a yoke plate interconnecting the movable portions of each of said first, second and third wall structures; gunite nozzle means to which said second liquid passageway and said liner communicate; means interconnecting said nozzle means to said yoke means to produce movement of said movable wall portions of said first, second and third wall structures upon movement of said nozzle means around the axes of said annular passageways.

Claim 13

Swiveled conduit means including a first generally cylindrical wall structure; a second generally cylindrical wall structure within said first wall structure and defining an annular passageway with said first wall structure; said first and second wall structures each having a stationary portion and a movable portion; a swivel bearing interconnecting the stationary and movable portions of said first wall structure; a swivel bearing interconnecting the stationary and movable portions of said second wall structures; said movable portions of said first and second wall structures being adjacent and being interconnected for movement as a unit; a third generally cylindrical wall structure surrounding said second wall structure and defining a second annular passageway therewith; said third wall structure having a movable portion and a stationary portion; a swivel bearing interconnecting the last-mentioned movable portion being adjacent to the movable portion of said first wall portion and being connected to the movable portions of said first and second wall portions to move therewith; the swivel bearing of said third, first and second wall structures being in that order, above the plane of a stationary structure to which their stationary wall portions are connected; a liner within said second wall structure and defining an annular space therewith; means for conducting a flow of fluid through said annular space for maintaining the swivel bearing of said second wall structure free from abrasive effects of material being conducted through said liner; said first passageway defining a passageway for the flow of compressed air; the second passageway defining a passageway for the flow of liquid; and said liner defining a passageway for the flow of a cement-sand mixture; air conduit means extending through the stationary portion of said third wall structure and the stationary portion of said first wall structure; and conduit air means extending through said stationary portions of each of said third, first and second wall structures into the annular space between said liner and said second wall structure; a yoke plate interconnecting the movable portions of each of said first, second and third wall structures; gunite nozzle means to which said second liquid passageway and said liner communicate; means interconnecting said nozzle means to said yoke means to produce movement of said movable wall portions of said first, second and third wall structures upon movement of said nozzle means around the axes of said annular passageways.

Claim 14

In a system for spraying a structure having a surface around a common point or line; a nozzle; swiveled conduit means; a plurality of sources of conveyable components; conduit means extending from said sources of said swiveled conduit means and conduit means extending from said swiveled conduit means to said nozzle; said swiveled conduit meanS incorporating wall means defining at least two separate passageways; and means for transferring said components from their corresponding source through a corresponding passageway and to said nozzle; said swiveled conduit means including swivel bearing means and seal means between said wall means; liner means defining a conduit and protecting said bearing means and said seal means and spaced therefrom to define a space; and means in said space preventing material flowing through said conduit from entering said space between said liner and said bearing means; and said seal means.

Claim 15

In a system for spraying a structure having a surface around a common point or line; a nozzle; swiveled conduit means; a plurality of sources of conveyable components; conduit means extending from said sources of said swiveled conduit means and conduit means extending from said swiveled conduit means to said nozzle; said swiveled conduit meanS incorporating wall means defining at least two separate passageways; and means for transferring said components from their corresponding source through a corresponding passageway and to said nozzle; said swiveled conduit means including swivel bearing means and seal means between said wall means; liner means defining a conduit and protecting said bearing means and said seal means and spaced therefrom to define a space; and means in said space preventing material flowing through said conduit from entering said space between said liner and said bearing means; and said seal means.

Claim 16

Swiveled conduit means including a first generally cylindrical wall structure; a second generally cylindrical wall structure within said first wall structure and defining an annular passageway with said first wall structure and defining an annular passageway with said first wall structure; said first and second wall structures each having a stationary portion and a movable portion; a swivel bearing interconnecting the stationary and movable portions of said first wall structure; a swivel bearing interconnecting the stationary and movable portions of said second wall structures; said movable portions of said first and second wall structures being adjacent and being interconnected for movement as a unit; a third generally cylindrical wall structure surrounding said second wall structure and defining a second annular passageway therewith; said third wall structure having a movable portion and a stationary portion; a swivel bearing interconnecting the last-mentioned movable portion being adjacent to the movable portion of said first wall portion and being connected to the movable portions of said first and second wall portions to move therewith; the swivel bearing of said third, first and second wall structures being in that order, above the plane of a stationary structure to which their stationary wall portions are connected; a liner within said second wall structure and defining an annular space therewith; means in said annular space for maintaining the swivel bearing of said second wall structure free from abrasive effects of material being conducted through said liner; said first passageway defining a passageway for the flow of compressed air; the second passageway defining a passageway for the flow of liquid; and said liner defining a passageway for the flow of a cement-sand mixture; air conduit means extending through the stationary portion of said third wall structure and the stationary portion of said first wall structure; and conduit air means extending through said stationary portions of each of said third, first and second wall structures into the annular space between said liner and said second wall structure; a yoke plate interconnecting the movable portions of each of said first, second and third wall structures; gunite nozzle means to which said second liquid passageway and said liner communicate; means interconnecting said nozzle means to said yoke means to produce movement of said movable wall portions of said first, second and third wall structures upon movement of said nozzle means around the axes of said annular passageways.

Claim 17

Swiveled conduit means including a first generally cylindrical wall structure; a second generally cylindrical wall structure within said first wall structure and defining an annular passageway with said first wall structure and defining an annular passageway with said first wall structure; said first and second wall structures each having a stationary portion and a movable portion; a swivel bearing interconnecting the stationary and movable portions of said first wall structure; a swivel bearing interconnecting the stationary and movable portions of said second wall structures; said movable portions of said first and second wall structures being adjacent and being interconnected for movement as a unit; a third generally cylindrical wall structure surrounding said second wall structure and defining a second annular passageway therewith; said third wall structure having a movable portion and a stationary portion; a swivel bearing interconnecting the last-mentioned movable portion being adjacent to the movable portion of said first wall portion and being connected to the movable portions of said first and second wall portions to move therewith; the swivel bearing of said third, first and second wall structures being in that order, above the plane of a stationary structure to which their stationary wall portions are connected; a liner within said second wall structure and defining an annular space therewith; means in said annular space for maintaining the swivel bearing of said second wall structure free from abrasive effects of material being conducted through said liner; said first passageway defining a passageway for the flow of compressed air; the second passageway defining a passageway for the flow of liquid; and said liner defining a passageway for the flow of a cement-sand mixture; air conduit means extending through the stationary portion of said third wall structure and the stationary portion of said first wall structure; and conduit air means extending through said stationary portions of each of said third, first and second wall structures into the annular space between said liner and said second wall structure; a yoke plate interconnecting the movable portions of each of said first, second and third wall structures; gunite nozzle means to which said second liquid passageway and said liner communicate; means interconnecting said nozzle means to said yoke means to produce movement of said movable wall portions of said first, second and third wall structures upon movement of said nozzle means around the axes of said annular passageways.