Coat-in-place assemblies and methods to provide an aesthetically pleasing sprinkler assembly

Patent metadata

Field	Value
Publication number	US-9616450-B2
Application number	US-201414538500-A
Country	US
Kind code	B2
Filing date	Nov 11, 2014
Priority date	May 30, 2014
Publication date	Apr 11, 2017
Grant date	Apr 11, 2017

Abstract

Coat-in-place assemblies and methods to provide an aesthetically pleasing sprinkler assembly. A coat-in-place assembly includes a sprinkler body having a proximal portion and a distal portion, a thermally responsive trigger disposed adjacent the distal portion; and an escutcheon centered about the distal portion of the sprinkler body to define a void between the sprinkler axis and the escutcheon. A coating-inhibiting-cap encloses and protects the thermally responsive trigger between the sprinkler body and the cap. The cap extends into the void and is radially spaced inward relative to the escutcheon so as expose surfaces of the escutcheon for coating.

First claim

What is claimed is:

1. A coat-in-place assembly to provide an aesthetically pleasing sprinkler assembly, the coat-in-place assembly comprising:
a sprinkler including a sprinkler body having a proximal portion and a distal portion, the body defining an internal passageway having an inlet and an outlet spaced apart along a longitudinal sprinkler axis, and a thermally responsive trigger disposed adjacent the distal portion along the longitudinal axis;
an escutcheon having a first end and a second end spaced apart along an escutcheon axis, the escutcheon having a first surface circumscribed about the escutcheon axis to define a central escutcheon opening for receiving the sprinkler body, the escutcheon having a second surface extending radially with respect to the first surface and circumscribed about the central escutcheon opening, the escutcheon having a transition surface continuous between the first and second surface, the first surface of the escutcheon being centered about the distal portion of the sprinkler body to define a void between the sprinkler and the first surface of the escutcheon; and
a removable coating-inhibiting cap for engaging with, via at least one of a friction fit and an interference fit, at least one of the distal portion of the sprinkler body, the thermally responsive trigger, and the escutcheon to enclose and protect the thermally responsive trigger, the cap including a handle portion for manipulation of the cap, the cap extending into the void and being radially spaced inward relative to the first surface of the escutcheon so as expose at least a portion of the first surface, the transition and second surface of the escutcheon for coating.

2. The coat-in-place assembly of claim 1 , wherein the cap includes a base defining a center point and a periphery about the center point; a cap wall extending along the periphery of the base about the center point and extending axially from the base substantially parallel to a cap axis passing through the center point perpendicular to the base and coaxial with the sprinkler axis.

3. The coat-in-place assembly of claim 2 , wherein the cap further comprises at least one tab extending axially from one of the base or the cap wall.

4. The coat-in-place assembly of claim 3 , wherein the at least one tab includes at least three tabs extending axially away from the cap wall, the three tabs being angularly spaced about the cap axis with two adjacent tabs being angularly spaced apart by 130 degrees.

5. The coat-in-place assembly of claim 4 , wherein each of the tabs defines a length and a thickness for insertion in a slot formed along an outer surface of an annular wall of the sprinkler body to form the frictional fit.

6. The coat-in-place assembly of claim 5 , wherein each of the three tabs defining a tab length to thickness ratio ranging from about 6:1 to 12:1.

7. The coat-in-place assembly of claim 3 , wherein the at least one tab extends axially from the center point of the base so as to be surrounded by the cap wall, the at least one tab being disposed in a central slot formed in the thermally responsive trigger to enclose the trigger between the sprinkler body and the cap.

8. The coat-in-place assembly of claim 7 , wherein the cap wall is disposed between the sprinkler body and the first surface of the escutcheon, the cap wall being spaced radially inward from the transition surfaces of the escutcheon to expose the transition surface for coating.

9. The coat-in-place assembly of claim 8 , wherein the transition surface of the escutcheon presents a substantially convex surface.

10. The coat-in-place assembly of claim 2 , wherein the cap wall is disposed between the sprinkler body and the first surface of the escutcheon, the cap wall being spaced radially inward from the transition surface of the escutcheon to expose the transition surface for coating.

11. The coat-in-place assembly of claim 10 , wherein the transition surface of the escutcheon presents a substantially convex surface.

12. The coat-in-place assembly of claim 2 , wherein the cap wall is disposed between the trigger and the first surface of the escutcheon, the cap wall being spaced from the transition surface of the escutcheon to expose the transition surface for painting.

13. The coat-in-place assembly of claim 2 , wherein the handle portion extends from the base axially in a direction opposite the cap wall.

14. The coat-in-place assembly of claim 2 , wherein the base includes a first portion disposed orthogonal to the cap axis, and a second portion disposed between the cap wall and the first portion extending obliquely with respect to the cap axis.

15. The coat-in-place assembly of claim 2 , wherein the first surface of the escutcheon circumscribes the central opening to define an inner diameter proximate the transition surface, the cap wall being substantially annular and defining an outer diameter less than the inner diameter to form one of the interference or frictional fit with at least one of the sprinkler body and the first surface of the escutcheon.

16. The coat-in-place assembly of claim 1 , wherein the transition surface of the escutcheon presents a substantially convex surface.

17. The coat-in place assembly of claim 1 , wherein the escutcheon comprises a second surface extending radially with respect to the first surface and circumscribed about the central escutcheon opening such that the second surface is substantially frustoconical, defining a first escutcheon diameter at the first end and a second escutcheon diameter at the second end that is greater than the first escutcheon diameter.

18. A method of providing a coat-in-place assembly, the method comprising:
obtaining a removable coating-inhibiting cap, the cap including a handle portion for manipulation of the cap; and
distributing the removable coating-inhibiting cap to use in a coat-in-place assembly that includes:
a sprinkler including a sprinkler body having a proximal portion and a distal portion, the body defining an internal passageway having an inlet and an outlet spaced apart along a longitudinal sprinkler axis, and a thermally responsive trigger disposed adjacent the distal portion along the longitudinal axis;
an escutcheon having a first end and a second end spaced apart along an escutcheon axis, the escutcheon having a first surface circumscribed about the escutcheon axis to define a central escutcheon opening for receiving the sprinkler body, the escutcheon having a second surface extending radially with respect to the first surface and circumscribed about the central escutcheon opening, the escutcheon having a transition surface continuous between the first and second surface, the first surface of the escutcheon being centered about the distal portion of the sprinkler body to define a void between the sprinkler and the first surface of the escutcheon; and
the removable coating-inhibiting cap being engaged with, via at least one of a friction fit and an interference fit, at least one of the distal portion of the sprinkler body, and the thermally responsive trigger, and the escutcheon to enclose and protect the thermally responsive trigger between the sprinkler body and the cap, the cap extending into the void and being radially spaced inward relative to the first surface of the escutcheon so as expose at least a portion of the first surface, the transition and second surface of the escutcheon for coating.

19. The method of claim 18 , wherein obtaining the removable coating-inhibiting cap includes obtaining a cap having a base defining a center poi

Assignees

• Tyco Fire Products Lp
• Tyco Fire & Security Gmbh

Inventors

• Connery Luke Stevenson
• Brighenti Jeffrey Martin
• Kannan Bharani
• Krishnaswamy Manikandan
• Brown Kenneth Robert
• Beagen Joseph W

Classifications

• B05B12/20 Primary

  Masking elements, i.e. elements defining uncoated areas on an object to be coated · CPC title

• B05D1/32 Primary

  using means for protecting parts of a surface not to be coated, e.g. using stencils, resists · CPC title

• A62C31/02 Primary

  Nozzles specially adapted for fire-extinguishing · CPC title

• A62C35/68

  Details, e.g. of pipes or valve systems (valves in general F16K) · CPC title

• B05B15/16

  for preventing non-intended contact between spray heads or nozzles and foreign bodies, e.g. nozzle guards · CPC title