IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0543763
(2012-07-06)
|
등록번호 |
US-8544851
(2013-10-01)
|
발명자
/ 주소 |
- Holmes, IV, William W.
- Owen, William H.
|
출원인 / 주소 |
- Mueller International, LLC
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
75 |
초록
▼
Gaskets for use with a bell and spigot coupling system are disclosed herein. The gasket comprises an elastomeric member having a front edge, a first section, and a second section. Axial forces generated by the insertion of the spigot to the first section of the elastomeric member displace the first
Gaskets for use with a bell and spigot coupling system are disclosed herein. The gasket comprises an elastomeric member having a front edge, a first section, and a second section. Axial forces generated by the insertion of the spigot to the first section of the elastomeric member displace the first section of the elastomeric member in an axial and radial direction.
대표청구항
▼
1. A system for sealing a spigot, the system comprising: a gasket, the gasket having a front end, a first section, and a second section, the gasket defining at least one groove in the first section;at least one substantially rigid member contacting the front end, the substantially rigid member made
1. A system for sealing a spigot, the system comprising: a gasket, the gasket having a front end, a first section, and a second section, the gasket defining at least one groove in the first section;at least one substantially rigid member contacting the front end, the substantially rigid member made of a material that is more rigid than a material of the gasket; anda bell encircling the gasket, the bell defining a gasket seating area, the bell including an inner surface, wherein the inner surface includes a blended curve;wherein the blended curve includes a first portion including a radius of curvature of about two-thirds of a diameter of the spigot and a second portion including a radius of curvature of about one-third of the diameter of the spigot. 2. The system of claim 1, wherein the blended curve includes at least one paraboloid. 3. The system of claim 1, wherein the gasket defines an insertion groove. 4. The system of claim 3, wherein the insertion groove is defined at the joining point of the first section and the second section. 5. The system of claim 3, wherein the insertion groove mates with an extended lip of the bell. 6. The system of claim 1, wherein the bell includes an extended lip. 7. The system of claim 6, wherein the extended lip is proximate the gasket seating area. 8. The system of claim 1, wherein the gasket includes a gasket heel, and wherein the gasket heel mates with the gasket seating area. 9. The system of claim 1, wherein the substantially rigid member includes teeth. 10. The system of claim 1, wherein the spigot includes an end and wherein the end includes a quarter ellipse portion. 11. A system for sealing a spigot, the system comprising: a gasket, the gasket having a front end, a first section, and a second section, the gasket defining at least one groove and at least one insertion groove;at least one substantially rigid member contacting the front end, the substantially rigid member made of a material that is more rigid than a material of the gasket; anda bell encircling the gasket, the bell defining a gasket seating area including an extended lip, the bell including an inner surface, the inner surface defining a blended curve, the blended curve including at least one paraboloid;wherein the extended lip and the insertion groove are arranged in mating relationship; andwherein the blended curve includes a first portion including a radius of curvature of about two-thirds of a diameter of the spigot and a second portion including a radius of curvature of about one-third of the diameter of the spigot.
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