Plug Assembly with Sloped Walls

Abstract

A glass assembly including: a plug with a top surface and a bottom surface; a sealing bearing ring at least partially made of a non-elastomeric material; wherein: the sealing bearing ring arranged on the top surface or the bottom surface of the plug. Also, a plug assembly including: the glass assembly, arranged in a housing the glass assembly including a top surface and a bottom surface; a sealing bearing ring at least partially made of a non-elastomeric material the sealing bearing ring arranged on the top surface or the bottom surface of the plug; a seat arranged to support the plug; a breaker object configured to break the plug; and wherein the sealing bearing ring provides a seal between the glass assembly and the housing.

It is hereby claimed: 
     
         1 . A glass assembly ( 15 ) comprising:
 a plug ( 10 ) with a top surface ( 61 ) and a bottom surface ( 62 ); and   a sealing bearing ring at least partially made of a non-elastomeric material;   wherein:
 the sealing bearing ring ( 16 ) arranged on the top surface ( 61 ) or the bottom surface ( 62 ) of the plug ( 10 ). 
   
     
     
         2 . The glass assembly ( 15 ) according to  claim 1 , further comprising a non-sealing bearing ring ( 14 ), wherein the bearing ring is ( 14 ) on the opposite surface ( 61 , 62 ) of the plug ( 10 ) from the sealing bearing ring ( 16 ). 
     
     
         3 . The glass assembly ( 15 ) according to  claim 1 , further comprising a stabilizer ( 12 ) and wherein:
 the plug ( 10 ) further comprises a middle edge surface ( 64 ) which contains the widest portion of the plug ( 10 ); and   the stabilizer ( 12 ) is arranged around at least a portion of the middle edge surface ( 64 ).   
     
     
         4 . The glass assembly ( 15 ) according to  claim 2 , further comprising a stabilizer ( 12 ) and wherein:
 the plug ( 10 ) further comprises a middle edge surface ( 64 ) which contains the widest portion of the plug ( 10 ); and   the stabilizer ( 12 ) is around the middle edge surface ( 64 ).   
     
     
         5 . The glass assembly ( 15 ) according to  claim 1 , wherein the sealing bearing ring ( 16 ) is entirely made of a non-elastomeric material. 
     
     
         6 . The glass assembly ( 15 ) according to  claim 3 , wherein the stabilizer is made of a non-elastomeric material. 
     
     
         7 . The glass assembly ( 15 ) according to  claim 3 , wherein the stabilizer ( 12 ) is not fluid tight. 
     
     
         8 . The glass assembly ( 15 ) according to  claim 3 , wherein the sealing bearing ring ( 16 ) comprises a thermoplastic material. 
     
     
         9 . A plug assembly ( 200 ) comprising:
 a glass assembly ( 15 ), arranged in a housing ( 140 );   the glass assembly ( 15 ) comprising a plug with a top surface ( 61 ) and a bottom surface ( 62 );   a sealing bearing ring ( 16 ) at least partially made of a non-elastomeric material the sealing bearing ring ( 16 ) arranged on the top surface ( 61 ) or the bottom surface ( 62 ) of the plug ( 10 );   a seat ( 20 ) arranged to support the plug ( 10 ); and   a breaker object ( 30 ) configured to break the plug ( 10 );   wherein the sealing bearing ring ( 16 ) provides a seal between the glass assembly ( 15 ) and the housing ( 140 ).   
     
     
         10 . The plug assembly ( 200 ) according to  claim 9  wherein the glass assembly ( 15 ) further comprises a non-sealing bearing ring ( 14 ), wherein the bearing ring is ( 14 ) on the opposite surface ( 61 , 62 ) of the plug ( 10 ) from the sealing bearing ring ( 16 ). 
     
     
         11 . The plug assembly ( 200 ) according to  claim 9 , wherein the sealing bearing ring ( 16 ) is made entirely of a non-elastomeric material. 
     
     
         12 . The plug assembly ( 200 ) according to  claim 9 , wherein the glass assembly ( 15 ) has an uphole and downhole side, wherein no bearing ring ( 14 ) or sealing bearing ring ( 16 ) on the uphole side of the in the glass assembly ( 16 ), and the sealing bearing ring ( 16 ) is arranged on the downhole side of the glass assembly ( 15 ). 
     
     
         13 . The plug assembly ( 200 ) according to  claim 9 , wherein the glass assembly ( 15 ) further comprises a stabilizer ( 12 ) and wherein:
 the plug ( 10 ) further comprises a middle edge surface ( 64 ) which contains the widest portion of the plug ( 10 ); and   the stabilizer ( 12 ) is arranged around at least a portion of the middle edge surface ( 64 ).   
     
     
         14 . The plug assembly ( 200 ) according to  claim 10 , wherein the glass assembly ( 15 ) further comprises a stabilizer ( 12 ) and wherein:
 the plug ( 10 ) further comprises a middle edge surface ( 64 ) which contains the widest portion of the plug ( 10 ); and   the stabilizer ( 12 ) is arranged around at least a portion of the middle edge surface ( 64 ).   
     
     
         15 . The plug assembly ( 200 ) according to  claim 13 , wherein the stabilizer ( 12 ) is not fluid tight. 
     
     
         16 . The plug assembly ( 200 ) according to  claim 14 , wherein the stabilizer ( 12 ) is not fluid tight. 
     
     
         17 . The plug assembly ( 200 ) according to  claim 9 , wherein the seat ( 20 ) is arranged to move in an axial direction toward the breaker object ( 30 ) when a threshold absolute pressure or threshold differential pressure is reached. 
     
     
         18 . The plug assembly ( 200 ) according to  claim 9 , further comprising a shear ring ( 50 ), the shear ring ( 50 ) comprising a shear ring lip ( 51 ); and
 wherein the seat ( 20 ) is supported by the shear ring lip ( 51 ),
 the shear ring lip ( 51 ) arranged to shear and allow the seat ( 20 ) to move when a threshold absolute pressure, or threshold differential pressure, is reached. 
   
     
     
         19 . The plug assembly ( 200 ) according to  claim 9 , further comprising a breaker holder ( 31 ), wherein the breaker holder ( 31 ) is configured to hold the breaker object ( 30 ) fixed in place relative to the plug ( 10 ). 
     
     
         20 . The plug assembly ( 200 ) according to  claim 9 , further comprising a sealing area ( 13 ), wherein the sealing area ( 13 ) is a region of the housing ( 140 ) and seat ( 20 ) in contact with the sealing bearing ring ( 16 ) and wherein, the sealing area ( 13 ) is non-parallel with the axial axis of the plug assembly ( 200 ). 
     
     
         21 . The plug assembly ( 200 ) according to  claim 9 , wherein the sealing bearing ring ( 16 ) has a through hole that prevents the sealing bearing ring ( 16 ) from sealing at a parallel portion of the housing ( 14 ). 
     
     
         22 . The plug assembly ( 200 ) according to  claim 13 , wherein the glass assembly ( 15 ) has an uphole side and downhole side, wherein there is no bearing ring ( 14 ) or sealing bearing ring ( 16 ) on the uphole side and the sealing bearing ring ( 16 ) is arranged on the downhole side of the glass assembly ( 15 ).