CA2158083C - Thermal insulation for angle-valve piping - Google Patents
Thermal insulation for angle-valve pipingInfo
- Publication number
- CA2158083C CA2158083C CA 2158083 CA2158083A CA2158083C CA 2158083 C CA2158083 C CA 2158083C CA 2158083 CA2158083 CA 2158083 CA 2158083 A CA2158083 A CA 2158083A CA 2158083 C CA2158083 C CA 2158083C
- Authority
- CA
- Canada
- Prior art keywords
- component
- valve
- covering portion
- passage
- insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Thermal Insulation (AREA)
Abstract
A one-piece body of thermal insulation comprises a first component having valve-covering and pipe-covering portions, and a second, perpendicular component for covering the water-supply tube. An integral cover component on the forward end of the valve-covering portion is displaceable for access to the valve handle, and can be secured in its closed position.
Description
2~5~~~3 BACKGR.OLTND OF THE INVENTION
Regulations in place in many municipalities require that the so-called ~~P-trap~~ assembly (i.e., the waste-water piping under sinks and the like),, and the hot-water-supply piping, be insulated so as to prevent= injury from contact with hot metal surfaces. Wheelchair-bound individuals are at particular risk.
The required thermal insulation may be supplied by wrap-ping or otherwise applyincJ lengths of insulation (such as of foam rubber and the like) about the pipes. Such practices are however undesirable for a number of reasons: application is often difficult and time-consuming; the applied insulating _2_ 21580$8 material tends to become disoriented and displaced; the fin-fished installation is typically unaesthetic; and often the result is simply ineffective.
The prior art suggest a wide variety of pipe covering techniques and structures. For example, Far et al United States patent No. 3,598,157 discloses preformed covering pieces made of foamed plastics and configured for various pipe fit-tings. Blundell United States patent No. 4,205,105 shows an elongated pipe-insulating structure that is axially slit along one side, and Martin United States patent No. 3,402,731 pro vides foamed insulating sleeves for pipe elements.
United States patents Nos. 2,650,180, 2,937,662,
Regulations in place in many municipalities require that the so-called ~~P-trap~~ assembly (i.e., the waste-water piping under sinks and the like),, and the hot-water-supply piping, be insulated so as to prevent= injury from contact with hot metal surfaces. Wheelchair-bound individuals are at particular risk.
The required thermal insulation may be supplied by wrap-ping or otherwise applyincJ lengths of insulation (such as of foam rubber and the like) about the pipes. Such practices are however undesirable for a number of reasons: application is often difficult and time-consuming; the applied insulating _2_ 21580$8 material tends to become disoriented and displaced; the fin-fished installation is typically unaesthetic; and often the result is simply ineffective.
The prior art suggest a wide variety of pipe covering techniques and structures. For example, Far et al United States patent No. 3,598,157 discloses preformed covering pieces made of foamed plastics and configured for various pipe fit-tings. Blundell United States patent No. 4,205,105 shows an elongated pipe-insulating structure that is axially slit along one side, and Martin United States patent No. 3,402,731 pro vides foamed insulating sleeves for pipe elements.
United States patents Nos. 2,650,180, 2,937,662,
3,153,546, 3,559,694, 4,44.1,743 arid 4,840,201, to Walker, Green, Dunn, Volberg, Steenbergen and Botsolas, respectively, all show encased insulating structures applied to pipes and fittings; United States patents Nos. 3,960,181, 4,463,780 and
4,669,509, to Baur et a1, Schultz et al and Botsolas, respec-tively, provide one-piece covering wrappings fabricated from flexible plastic materials; and United States patents Nos.
3,177,528 and 3,719,209, to Flower et al and Rush et al, re-spectively, are directed to electrically insulated coatings for pipe fittings and to extruded plastic plumbing traps.
Despite the activity in the art indicated by the forego-ing, there has been a need for means by which under-sink piping can quickly, easily, and inexpensively be thermally insulated.
The inventions claimed in Applicants~ United States patents Nos. 5,054,513, 5,163,469, 5,259,410, 5,303,730, and 5,419,364 provide thermal insulation systems and installations by and in which the foregoing needs are well satisfied; the invention hereof augments the foregoing.
It is a broad object of the present invention to provide novel insulation for the angle-valve piping of a sink or the like.
More specific objects of the invention are to provide novel insulation which is of relatively simple and inexpensive con-struction, is versatile in use, and is quick and easy to employ.
It has now been found that certain of the foregoing and related objects of the invention are attained by the provision of thermal insulation comprising a tubular body of unitary con-struction, integrally formed as a single piece from a resil-iently yieldable material having thermal insulating properties.
The body has an elongate first component, with forward and rearward opposite ends, defining a first passage extending along its longitudinal axis, and an elongate second component, with upper and lower opposite ends, defining a second passage extending along its longitudinal axis. The "first" component has a valve-covering portion adjacent its forward end, and a pipe-covering portion extending rearwardly therefrom to its rearward end. The longitudinal axes of the first and second components are mutually perpendicular, and the lower end of the "second°' component joins the valve-covering portion of the "first" component, with the first and second passages inter-secting thereat.
The location at which the second component joins the valve-covering portion will usually be spaced from the forward end ofthe first component, and the body will usually be slit to permit facile installation; preferably, the slit will extend continuously along the rearward side of the second component and the upper side of the first component. In most instances, the valve-covering portion of the first component will define a section of the first passage that is generally larger, in planes transverse to the axis, than the section of the first passage defined by the pipe-covering portion.
Other objects of the invention are attained by the provi-sion of insulation of the kind described, which includes an integrally formed cover component disposed at the forward end of the valve-covering portion. The cover component is readily displaceable between an open position, for permitting access to the first passage, and a substantially closed position disposed over the first passage. Preferably, the insulation will in-elude means for securing the cover component in its substan-tially closed position, which securing means will most desir-ably comprise interengagable latching elements that are inte-grally formed on the cover component and the valve-covering portion.
3,177,528 and 3,719,209, to Flower et al and Rush et al, re-spectively, are directed to electrically insulated coatings for pipe fittings and to extruded plastic plumbing traps.
Despite the activity in the art indicated by the forego-ing, there has been a need for means by which under-sink piping can quickly, easily, and inexpensively be thermally insulated.
The inventions claimed in Applicants~ United States patents Nos. 5,054,513, 5,163,469, 5,259,410, 5,303,730, and 5,419,364 provide thermal insulation systems and installations by and in which the foregoing needs are well satisfied; the invention hereof augments the foregoing.
It is a broad object of the present invention to provide novel insulation for the angle-valve piping of a sink or the like.
More specific objects of the invention are to provide novel insulation which is of relatively simple and inexpensive con-struction, is versatile in use, and is quick and easy to employ.
It has now been found that certain of the foregoing and related objects of the invention are attained by the provision of thermal insulation comprising a tubular body of unitary con-struction, integrally formed as a single piece from a resil-iently yieldable material having thermal insulating properties.
The body has an elongate first component, with forward and rearward opposite ends, defining a first passage extending along its longitudinal axis, and an elongate second component, with upper and lower opposite ends, defining a second passage extending along its longitudinal axis. The "first" component has a valve-covering portion adjacent its forward end, and a pipe-covering portion extending rearwardly therefrom to its rearward end. The longitudinal axes of the first and second components are mutually perpendicular, and the lower end of the "second°' component joins the valve-covering portion of the "first" component, with the first and second passages inter-secting thereat.
The location at which the second component joins the valve-covering portion will usually be spaced from the forward end ofthe first component, and the body will usually be slit to permit facile installation; preferably, the slit will extend continuously along the rearward side of the second component and the upper side of the first component. In most instances, the valve-covering portion of the first component will define a section of the first passage that is generally larger, in planes transverse to the axis, than the section of the first passage defined by the pipe-covering portion.
Other objects of the invention are attained by the provi-sion of insulation of the kind described, which includes an integrally formed cover component disposed at the forward end of the valve-covering portion. The cover component is readily displaceable between an open position, for permitting access to the first passage, and a substantially closed position disposed over the first passage. Preferably, the insulation will in-elude means for securing the cover component in its substan-tially closed position, which securing means will most desir-ably comprise interengagable latching elements that are inte-grally formed on the cover component and the valve-covering portion.
-5-~~~~as~
BRIEF DESCRIPTION OF TH DR_AWrNGs Figure 1 is a fragmentary perspective view of thermal insulation embodying the present invention;
Figure 2 is a fragmentary sectional view of the insulation of Figure 1, taken along line 2-2 thereof and shown covering angle valve piping;
Figure 3 is a sectional view taken along line 3-3 of Fig-ure 1 and drawn to an enlarged scale;
Figure 4 is a fragmentary side elevational view of the insulation of Figure 1; and Figure 5 is a fragmentary bottom view of the forwardmost part of insulation, drawn to a further enlarged scale.
DETAIrED DESCRIPTrON OF THE TrLTTRTRATFI r~.rrBODIMENTS
With specific reference now to the drawings, the insulat-ion shown therein is molded from a resiliently yieldable, rub-bery, thermally insulating material. It consists of a tubular body that includes an elongate first component, comprised of a valve handle-covering portion at one end, a pipe-covering por-tion at the other end, and an intermediate valve body-covering portion, which portions are generally designated respectively by the numerals 10, 12 and 14. As is best seen in Figure 2, a passage extends along the longitudinal axis of the first compo-vent; it consists of a relatively large section 16 at the for-ward end, for the containment of the handle 18 and associated structure of the angle valve, a generally smaller adjacent
BRIEF DESCRIPTION OF TH DR_AWrNGs Figure 1 is a fragmentary perspective view of thermal insulation embodying the present invention;
Figure 2 is a fragmentary sectional view of the insulation of Figure 1, taken along line 2-2 thereof and shown covering angle valve piping;
Figure 3 is a sectional view taken along line 3-3 of Fig-ure 1 and drawn to an enlarged scale;
Figure 4 is a fragmentary side elevational view of the insulation of Figure 1; and Figure 5 is a fragmentary bottom view of the forwardmost part of insulation, drawn to a further enlarged scale.
DETAIrED DESCRIPTrON OF THE TrLTTRTRATFI r~.rrBODIMENTS
With specific reference now to the drawings, the insulat-ion shown therein is molded from a resiliently yieldable, rub-bery, thermally insulating material. It consists of a tubular body that includes an elongate first component, comprised of a valve handle-covering portion at one end, a pipe-covering por-tion at the other end, and an intermediate valve body-covering portion, which portions are generally designated respectively by the numerals 10, 12 and 14. As is best seen in Figure 2, a passage extends along the longitudinal axis of the first compo-vent; it consists of a relatively large section 16 at the for-ward end, for the containment of the handle 18 and associated structure of the angle valve, a generally smaller adjacent
-6-~158~83 section 20 for the containment of the valve body 22, and an opposite end section 24 for receipt of the water inlet pipe 26.
Cover component 28 is integrally formed with the remainder of the body, and is attached to the valve handle-covering por-tion 10 by a hinge element 30. A circumferential slot 32 ex-tends from the opposite ends of the hinge element 30 and sub-stantially surrounds the cover component 28, the slot 32 being interrupted by a number of nips, or weak connecting elements 34, at spaced locations therealong. When access to the valve handle 18 is desired, the cover component 28 can readily be displaced (e.g., to the phantom-line position of Figure 2) by pivoting it on the hinge element 30, with the connecting ele-ments 34 being easily torn in the process. Because the hinge element 30 is positioned at the top of the insulation, as in-stalled, the cover component 28 will naturally assume a sub-stantially closed position in the absence of lifting force.
The insulation also includes an integrally formed elongate second component, generally designated by the numeral 36, which defines a longitudinal passage 38 of uniform diameter. The second component 36 joins the valve body-covering portion 14 of the first component at a right angle, with the passages thereof intersecting perpendicularly so as to adapt the component 36 for the containment of a water supply tube 40. A continuous slit 41 extends longitudinally along both components, thereby permitting facile application of the body, as a single piece, to an existing pipe installation; other means may however be employed, and it will be appreciated that the insulation may be furnished fully intact (i.e., in seamless form) for on-site adaptation, if so desired.
The body components of the insulation are secured by use of fasteners, preferably of the kind described and claimed in copending Canadian Patent Application No. 2,157,951 filed September 11, 1995. More particularly, the fastener consists of a body component, generally designated by the numeral 42, and a tail component generally designated by the numeral 44. It is of one-piece construction, integrally formed in most instances from a synthetic material such as the acetal resin available under the trade-mark DELRIN or the like. An indication or groove 46 extends transversely at the intersection between the body and tail components, and serves to facilitate fracture at that location for manual disconnection of the components. A series of tooth elements 48 are formed along the length of the tail component, to promote secure manual gripping.
Flat surfaces, on the shoulder elements 50, 50' and rectilinear connecting segment 52, define a downwardly extending channel 54 traversing the body component 42. The shoulder elements 50, 50' taper outwardly from the channel 54 in opposite directions, and have smooth, inclined upper surfaces thereon.
The free end of the body component 42 is bifurcated to define an axial slot 56.
The marginal portions that extend along the slit 42 in the elongate components are formed with aligned apertures 58, which 2~5~08~
cooperatively define tangential passageways with overlying bridge elements 60; reiliforcing bosses 62 project into the passages through the components. As seen in Figure 1, the fastener is inserted by threading the tail component 44 through the passageway defined by the aligned apertures 58. Pulling force applied to the tail component will cause the inclined surface of the shoulder 50 to slide under the first-encountered bridge element 60, whereupon both adjacent elements 60 will seat and engage within the transverse channel 54. The body component will thereby affix the bridge elements 60 in close proximity, holding the marginal portions of the components together and thereby securing the insulation piece on the asso-ciated piping.
Once installed, the tail component 44 can readily be bro-ken away from the body component 42 by manual manipulation.
Release of the remaining fastener component can readily be achieved, if desired, merely by inserting the tip of a screw-driver into the axial s7.ot 56 and rotating the component 180°
to present the bottom surface of the connecting segment 52 to the bridge elements 60. This of course permits separation of the marginal portions and ready removal of the insulating piece.
A latching tab 64 is integrally formed on the cover compo-nent 28, and cooperates with a reversely directed lip 66 on the adjacent part of the body component to secure the cover compo-nent in closed position. An extension 68 on the tab 64 has an _g-215~08~
aperture 70, which aligns with an aperture 72 through a boss 74 formed adjacent the lip 66 when the latching element is in engaged position. Consequently, a fastener, such as of the kind described above, can be employed to lock the cover compo-nent closed, if so desired.
Although the drawings and the corresponding parts of the specification describe the best mode contemplated for carrying out the invention, it will be understood that variations can be made without departing from the novel concepts hereof. The insulation will normally be fabricated from a synthetic elasto-meric material such as polyurethane, polyvinyl chloride, or silicon rubber, so as to provide the desired resiliency for facile installation as well as a suitable thermal conductivity value, good cushioning effects, and other desired properties.
The material used may have a foamed structure and any desired coloration, and the insulation will typically have a nominal wall thickness ranging from 1/8 inch to 1/2 inch. Although the pipe-covering portions cf the article are shown to be of sub-stantially uniform, circular cross section along their entire lengths, it will be appreciated that sections of difference sizes and shapes may be employed if necessary or desirable. It will a-lso be appreciated that the system can be used to insu-late piping of plastic as well as of metal.
Thus, it can be seen that the present invention provides novel thermal insulation for the angle-valve piping if a sink or the like. The insulation is of relatively simple and inex-pensive construction; it is versatile in use, and it is quick and easy to employ.
Cover component 28 is integrally formed with the remainder of the body, and is attached to the valve handle-covering por-tion 10 by a hinge element 30. A circumferential slot 32 ex-tends from the opposite ends of the hinge element 30 and sub-stantially surrounds the cover component 28, the slot 32 being interrupted by a number of nips, or weak connecting elements 34, at spaced locations therealong. When access to the valve handle 18 is desired, the cover component 28 can readily be displaced (e.g., to the phantom-line position of Figure 2) by pivoting it on the hinge element 30, with the connecting ele-ments 34 being easily torn in the process. Because the hinge element 30 is positioned at the top of the insulation, as in-stalled, the cover component 28 will naturally assume a sub-stantially closed position in the absence of lifting force.
The insulation also includes an integrally formed elongate second component, generally designated by the numeral 36, which defines a longitudinal passage 38 of uniform diameter. The second component 36 joins the valve body-covering portion 14 of the first component at a right angle, with the passages thereof intersecting perpendicularly so as to adapt the component 36 for the containment of a water supply tube 40. A continuous slit 41 extends longitudinally along both components, thereby permitting facile application of the body, as a single piece, to an existing pipe installation; other means may however be employed, and it will be appreciated that the insulation may be furnished fully intact (i.e., in seamless form) for on-site adaptation, if so desired.
The body components of the insulation are secured by use of fasteners, preferably of the kind described and claimed in copending Canadian Patent Application No. 2,157,951 filed September 11, 1995. More particularly, the fastener consists of a body component, generally designated by the numeral 42, and a tail component generally designated by the numeral 44. It is of one-piece construction, integrally formed in most instances from a synthetic material such as the acetal resin available under the trade-mark DELRIN or the like. An indication or groove 46 extends transversely at the intersection between the body and tail components, and serves to facilitate fracture at that location for manual disconnection of the components. A series of tooth elements 48 are formed along the length of the tail component, to promote secure manual gripping.
Flat surfaces, on the shoulder elements 50, 50' and rectilinear connecting segment 52, define a downwardly extending channel 54 traversing the body component 42. The shoulder elements 50, 50' taper outwardly from the channel 54 in opposite directions, and have smooth, inclined upper surfaces thereon.
The free end of the body component 42 is bifurcated to define an axial slot 56.
The marginal portions that extend along the slit 42 in the elongate components are formed with aligned apertures 58, which 2~5~08~
cooperatively define tangential passageways with overlying bridge elements 60; reiliforcing bosses 62 project into the passages through the components. As seen in Figure 1, the fastener is inserted by threading the tail component 44 through the passageway defined by the aligned apertures 58. Pulling force applied to the tail component will cause the inclined surface of the shoulder 50 to slide under the first-encountered bridge element 60, whereupon both adjacent elements 60 will seat and engage within the transverse channel 54. The body component will thereby affix the bridge elements 60 in close proximity, holding the marginal portions of the components together and thereby securing the insulation piece on the asso-ciated piping.
Once installed, the tail component 44 can readily be bro-ken away from the body component 42 by manual manipulation.
Release of the remaining fastener component can readily be achieved, if desired, merely by inserting the tip of a screw-driver into the axial s7.ot 56 and rotating the component 180°
to present the bottom surface of the connecting segment 52 to the bridge elements 60. This of course permits separation of the marginal portions and ready removal of the insulating piece.
A latching tab 64 is integrally formed on the cover compo-nent 28, and cooperates with a reversely directed lip 66 on the adjacent part of the body component to secure the cover compo-nent in closed position. An extension 68 on the tab 64 has an _g-215~08~
aperture 70, which aligns with an aperture 72 through a boss 74 formed adjacent the lip 66 when the latching element is in engaged position. Consequently, a fastener, such as of the kind described above, can be employed to lock the cover compo-nent closed, if so desired.
Although the drawings and the corresponding parts of the specification describe the best mode contemplated for carrying out the invention, it will be understood that variations can be made without departing from the novel concepts hereof. The insulation will normally be fabricated from a synthetic elasto-meric material such as polyurethane, polyvinyl chloride, or silicon rubber, so as to provide the desired resiliency for facile installation as well as a suitable thermal conductivity value, good cushioning effects, and other desired properties.
The material used may have a foamed structure and any desired coloration, and the insulation will typically have a nominal wall thickness ranging from 1/8 inch to 1/2 inch. Although the pipe-covering portions cf the article are shown to be of sub-stantially uniform, circular cross section along their entire lengths, it will be appreciated that sections of difference sizes and shapes may be employed if necessary or desirable. It will a-lso be appreciated that the system can be used to insu-late piping of plastic as well as of metal.
Thus, it can be seen that the present invention provides novel thermal insulation for the angle-valve piping if a sink or the like. The insulation is of relatively simple and inex-pensive construction; it is versatile in use, and it is quick and easy to employ.
Claims (11)
Having thus described the invention, what is CLAIMED is:
1. Thermal insulation for the angle valve piping of a sink or the like, comprising a tubular body of unitary con-struction integrally formed as a single piece from a resilient-ly yieldable material having thermal insulation properties, said body having an elongate first component with forward and rearward ends and defining a first passage extending along its longitudinal axis, said first component having a valve-covering portion adjacent said forward end and a pipe-covering portion extending rearwardly therefrom to said rearward end, said body also having an elongate second component with upper and lower opposite ends and defining a second passage extending along its longitudinal axis, said longitudinal axes of said first and second components being mutually perpendicular, and said lower end of said second component joining said valve-covering por-tion of said first component with said first and second passag-es intersecting thereat.
2. The insulation of Claim 1 wherein said second compo-nent joins said valve-covering portion at a location spaced from said forward end of said first component.
3. The insulation of Claim 2 wherein said body is slit to permit facile installation upon angle-valve piping of a sink or the like.
4. The insulation of Claim 3 wherein the slit in said body extends continuously along the rearward side of said sec-ond component and the upper side of said first component.
5. The insulation of Claim 1 wherein said valve-covering portion of said first component defines a section of said first passage that is generally larger, in planes transverse to said axis thereof, than the section of said first passage defined by said pipe-covering portion.
6. The insulation of Claim 1 further including an inte-grally formed cover component disposed at said forward end of said valve-covering portion, said cover component being readily displaceable, relative to said valve-covering portion, between an open position, for permitting access to said first passage, and a substantially closed position disposed over said first passage.
7. The insulation of Claim 6 further including securing means for securing said cover component in said substantially closed position.
8. The insulation of Claim 7 wherein said securing means comprises interengagable latching elements integrally formed on said cover component and said valve-covering portion.
9. Thermal insulation for the angle valve piping of a sink or the like, comprising a tubular body of unitary con-struction integrally formed as a single piece from a resilient-ly yieldable material having thermal insulation properties, said body having an elongate first component with forward and rearward ends and defining a first passage extending along its longitudinal axis, said first component having a valve-covering portion adjacent said forward end and a pipe-covering portion extending rearwardly therefrom to said rearward end, said body also having an elongate second component with upper and lower opposite ends and defining a second passage extending along its longitudinal axis, said longitudinal axes of said first and second components being mutually perpendicular, and said lower end of said second component joining said valve-covering por-tion of said first component with said first and second passag-es intersecting thereat; a cover component integrally formed with said valve-covering portion and disposed at said forward end thereof, said cover component being readily displaceable, relative to said valve-covering portion, between an open posi-tion, for permitting access to said first passage, and a sub-stantially closed position disposed over said first passage;
and securing means for securing said cover component in said substantially closed position.
and securing means for securing said cover component in said substantially closed position.
10. Thermal insulation for the angle valve piping of a sink or the like, comprising a tubular body of unitary con-struction integrally formed as a single piece from a resilient-ly yieldable material having thermal insulation properties, said body having an elongate first component with forward and rearward ends and defining a first passage extending along its longitudinal axis, said first component having a valve-covering portion adjacent said forward end and a pipe-covering portion extending rearwardly therefrom to said rearward end, a cover component integrally formed with said valve-covering portion and disposed at said forward end thereof, said cover component being readily displaceable, relative to said valve-covering portion, between an open position, for permitting access to said first passage, and a substantially closed position dis-posed over said first passage; and securing means for securing said cover component in said substantially closed position.
11. The insulation of Claim 10 wherein said securing means comprises interengagable latching elements integrally formed on said cover component and said valve-covering por-tion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/426,091 | 1995-04-21 | ||
| US08/426,091 US5524669A (en) | 1990-08-20 | 1995-04-21 | Thermal insulation for angle-valve piping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2158083A1 CA2158083A1 (en) | 1996-10-22 |
| CA2158083C true CA2158083C (en) | 1999-08-31 |
Family
ID=23689248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2158083 Expired - Lifetime CA2158083C (en) | 1995-04-21 | 1995-09-12 | Thermal insulation for angle-valve piping |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2158083C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD807157S1 (en) | 2014-12-09 | 2018-01-09 | Zurn Industries, Llc | Fastener |
| US10100967B2 (en) | 2014-12-09 | 2018-10-16 | Zurn Industries, Llc | Trap cover and fastener arrangement |
-
1995
- 1995-09-12 CA CA 2158083 patent/CA2158083C/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD807157S1 (en) | 2014-12-09 | 2018-01-09 | Zurn Industries, Llc | Fastener |
| US10100967B2 (en) | 2014-12-09 | 2018-10-16 | Zurn Industries, Llc | Trap cover and fastener arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2158083A1 (en) | 1996-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20150914 |