Riser anchor and installation

Patent metadata

Field	Value
Publication number	US-12253201-B2
Application number	US-202117518995-A
Country	US
Kind code	B2
Filing date	Nov 4, 2021
Priority date	Nov 5, 2020
Publication date	Mar 18, 2025
Grant date	Mar 18, 2025

Abstract

An anchor assembly for riser pipes uses a plate and sleeve to support a stub pipe which penetrates a floor of a structure, such as a building, in which the riser is located. Studs extending from the plate and the sleeve engage the floor and enhance the local structural strength of the floor. A bracket which engages the plate is used to mount the stub pipe within the sleeve. The riser pipe elements are attached to the ends of the stub pipe. Fire insulation material is positioned between the stub pipe and the sleeve.

First claim

What is claimed is:

1. An anchor assembly for anchoring a riser pipe in a floor structure, said anchor assembly comprising:
a plate having an upper face and a lower face oppositely disposed from one another, said plate defining an aperture therethrough;
a sleeve attached to said plate, said sleeve extending through said aperture and defining a bore oriented transversely to said plate, said sleeve including an upper sleeve portion having a sleeve top projecting outwardly from said upper face and a lower sleeve portion having a sleeve bottom projecting outwardly from said lower face;
a plurality of collars extending through said plate, each said collar having internal screw threads; and
a plurality of studs extending from said lower face of said plate.

2. The anchor assembly according to claim 1 , wherein each of said plurality of collars has an upper collar surface that is flush with said upper face and a lower collar surface that projects from said lower face.

3. The anchor assembly according to claim 1 , wherein each of said plurality of studs includes an enlarged head.

4. The anchor assembly according to claim 1 , further comprising a plurality of shear keys attached to said lower sleeve portion and projecting outwardly away from said bore.

5. The anchor assembly according to claim 1 , further comprising:
a stub pipe extending through said bore;
a bracket attached to said stub pipe, said bracket overlying said upper face of said plate; and
a plurality of threaded fasteners attaching said bracket to said plate, each of said threaded fastener engaging a respective collar of said plurality of collars.

6. The anchor assembly according to claim 5 , further comprising a layer of fire insulation positioned between said stub pipe and said sleeve.

7. The anchor assembly according to claim 5 , wherein upper sleeve portion comprises a plurality of notches formed therein; and
wherein said plurality of collars are positioned on said plate in alignment with said plurality of notches.

8. The anchor assembly according to claim 7 , wherein said bracket comprises a plurality of arms projecting transversely to said stub pipe, each said plurality of arms being received within a respective one of said notches.

9. An installation for a riser pipe, said installation comprising:
a poured floor having an upper floor surface and a lower floor surface oppositely disposed;
an anchor assembly embedded in said floor, comprising:
a plate having an upper face and a lower face oppositely disposed, said plate defining an aperture therethrough;
a sleeve attached to said plate, said sleeve extending through said aperture and defining a bore oriented transversely to said plate, said sleeve including an upper sleeve portion having a sleeve top projecting outwardly from said upper face and a lower sleeve portion having a sleeve bottom projecting outwardly from said lower face;
a plurality of collars extending through said plate, each said collar having internal screw threads; and
a plurality of studs extending from said lower face of said plate, said studs being embedded within said floor, each of said plurality of studs including an enlarged head.

10. The installation according to claim 9 , wherein each of said plurality of collars has an upper collar surface that is flush with said upper face and a lower collar surface that projects from said lower face.

11. The installation according to claim 9 , further comprising:
a plurality of shear keys attached to said lower sleeve portion and projecting outwardly away from said bore, said shear keys being embedded within said floor.

12. The installation according to claim 9 , wherein said upper face of said plate is flush with said upper floor surface.

13. The installation according to claim 9 , further comprising:
a plurality of notches formed in said upper sleeve portion.

14. The installation according to claim 13 , further comprising:
a stub pipe extending through said bore;
a bracket attached to said stub pipe, said bracket overlying said upper face of said plate, said bracket comprising a plurality of arms projecting transversely to said stub pipe; and
a plurality of threaded fasteners attaching said plurality of arms to said plate, each of said threaded fasteners engaging a respective collar of one of said plurality of collars.

15. The installation according to claim 14 , further comprising a layer of fire insulation positioned between said stub pipe and said sleeve.

16. The installation according to claim 9 , further comprising:
a plurality of pour blocking elements, each of said plurality of pour blocking elements attached to said lower collar surface of one of said plurality of collars.

17. The installation according to claim 16 , wherein said plurality of pour blocking elements comprise a plurality of silicon covers.

18. The installation according to claim 16 , wherein said plurality of pour blocking elements comprise a plurality of temporary plastic fasteners.

19. The installation according to claim 16 , wherein said plurality of pour blocking elements comprise a plurality of plastic caps.

20. An installation for a riser pipe, said installation comprising:
a poured floor having an upper floor surface and a lower floor surface oppositely disposed;
an anchor assembly embedded in said floor for anchoring said riser pipe in said floor, said anchor assembly comprising:
a plate having an upper face and a lower face oppositely disposed, said plate defining an aperture therethrough;
a sleeve attached to said plate, said sleeve extending through said aperture and defining a bore oriented transversely to said plate, said sleeve including an upper sleeve portion having a sleeve top projecting outwardly from said upper face and a lower sleeve portion having a sleeve bottom projecting outwardly from said lower face;
a plurality of collars extending through said plate, each said collar having internal screw threads, each of said plurality of collars having an upper collar surface flush with said upper face and a lower collar surface projecting from said lower face; and
a plurality of notches formed in said upper sleeve portion;
a bracket overlying said upper face of said plate, said bracket comprising a plurality of arms projecting transversely to said riser pipe; and
a plurality of threaded fasteners attaching said plurality of arms to said plate, each of said threaded fasteners engaging a respective collar of one of said plurality of collars.

21. The installation according to claim 19 , wherein said upper face is flush with said upper floor surface and said sleeve bottom is flush with said lower floor surface.

22. The installation according to claim 20 , wherein said bracket is attached to said riser pipe.

23. The installation according to claim 22 further comprising:
a layer of fire insulation positioned between said riser pipe and said sleeve.

24. The installation according to claim 20 , further comprising:
a stub pipe extending through said bore;
wherein said bracket is attached to said stub pipe.

25. The installation according to claim 24 , further comprising a layer of fire insulation positioned between said stub pipe and said sleeve.

26. The installation according to claim 20 , wherein said poured floor comprises a concrete floor.

27. The installation according to claim 20 , wherein said poured floor comprises a con

Assignees

• Victaulic Co Of America

Inventors

• Sun Cong

Classifications

• E04B5/48

  Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating (in block-shaped elements E04C1/39; in slab- or sheet-shaped elements E04C2/52) · CPC title

• F16L5/04 Primary

  to form a firebreak device · CPC title

• F16L5/08

  by means of axial screws compressing a ring or sleeve · CPC title

• E04B1/948

  Fire-proof sealings or joints (for doors or windows E06B5/164) · CPC title

• F16L5/10 Primary

  by using sealing rings or sleeves only · CPC title