Pipe ram joint

A pipe ram joint for joining first and second pipes together, the pipe ram joint comprising:

• an annular first coupler having a first longitudinal axis, the first coupler being mounted to or formed in a first end of the first pipe, and an annular second coupler having a second longitudinal axis, the second coupler being formed in or mounted to a second end of the second pipe;
• the first coupler comprising a first distal end, an annular first outer wall and an annular first inner wall, the first distal end defining a first pipe receiving opening;
• the second coupler comprising a second distal end, an annular second outer wall and an annular second inner wall, the second distal end and second coupler being sized for insertion into the first pipe receiving opening and into the first coupler to join the first and second pipes together;
• the first inner wall comprising an annular first groove spaced from the first distal end, and an annular first tooth positioned nearer to the first distal end than the first annular groove;
• the first annular groove having an annular first groove side wall, an annular second groove side wall, and an annular first base wall, the first groove side wall comprising an annular first groove side wall surface and the second groove side wall comprising an annular second groove side wall surface;
• wherein moving in a direction away from the first outer wall toward the first inner wall, the first groove side wall surface is angled at an acute angle relative to a plane perpendicular to the first longitudinal axis and in a direction toward the first distal end, and wherein moving in a direction away from the first outer wall toward the first inner wall, the second groove side wall surface is angled at an acute angle relative to a plane perpendicular to the first longitudinal axis and in a direction toward the first distal end;
• the first tooth having an annular first tooth side wall, an annular second tooth side wall, and an annular first tooth outer wall;
• wherein the first tooth side wall comprises an annular first tooth side wall surface that is the same as the second groove side wall surface, wherein the second tooth side wall comprises an annular second tooth side wall surface, wherein moving in a direction away from the first outer wall toward the first inner wall, the second tooth side wall surface is angled at an acute angle relative to a plane perpendicular to the first longitudinal axis and in a direction toward the first distal end;
• the second outer wall comprising an annular second groove spaced from the second distal end, and an annular second tooth positioned nearer to the second distal end than the second annular groove;
• the second annular groove having an annular third groove side wall, an annular fourth groove side wall, and an annular second base wall, the third groove side wall comprising an annular third groove side wall surface and the fourth groove side wall comprising an annular fourth groove side wall surface;
• wherein moving in a direction away from the second inner wall toward the second outer wall, the third groove side wall surface is angled at an acute angle relative to a plane perpendicular to the second longitudinal axis and in a direction toward the second distal end, and wherein moving in a direction away from the second inner wall toward the second outer wall, the fourth groove side wall surface is angled at an acute angle relative to a plane perpendicular to the second longitudinal axis and in a direction toward the second distal end;
• the second tooth having an annular third tooth side wall, an annular fourth tooth side wall and an annular second tooth outer wall, wherein the third side wall comprises an annular third tooth side wall surface that is the same as the third groove side wall surface, wherein the second tooth side wall comprises an annular second tooth side wall surface, wherein moving in a direction away from the second inner wall toward the second outer wall, the fourth tooth side wall surface is angled at an acute angle relative to a plane perpendicular to the second longitudinal axis and in a direction toward the second distal end;
• and
• wherein the first tooth is positioned in the second groove with at least a portion of the second tooth side wall surface abutting the fourth groove side wall surface and the second tooth is positioned in the first groove with at least a portion of the fourth tooth side wall surface abutting the first side wall groove surface to join the first and second pipes together.

A pipe ram joint for joining first and second pipes together, the pipe ram joint comprising:

• an annular ring having a first longitudinal axis, the annular ring comprising a first distal end, an annular first outer wall and an annular first inner wall, the first distal end defining a pipe coupler receiving opening;
• the first inner wall comprising an annular first groove spaced from the first distal end, and an annular first tooth positioned nearer to the first distal end than the first annular groove;
• wherein the first groove has first and second annular groove side walls and a first groove base wall, the first groove side wall being further from the first distal end than the second groove side wall, wherein the first groove side wall is angled toward the first distal end at a first acute angle relative to a plane perpendicular to the first longitudinal axis in a direction moving away from the first groove base wall;
• wherein the first tooth has first and second annular tooth side walls and a first tooth outer wall, the first tooth side wall being positioned further from the first distal end than the second tooth side wall, the second tooth side wall comprising a first tooth side wall groove wall engaging surface angled toward the distal end at a third acute angle relative to a plane perpendicular to the first longitudinal axis in a direction moving away from the first outer wall;
• and
• wherein a majority of the first groove base wall is concave.

A pipe ram joint for joining first and second pipes together, the pipe ram joint comprising:

• an annular ring having a first longitudinal axis, the annular ring comprising a first distal end, an annular first outer wall and an annular first inner wall, the first distal end defining a pipe coupler receiving opening;
• the first inner wall comprising an annular first groove spaced from the first distal end, and an annular first tooth positioned nearer to the first distal end than the first annular groove;
• wherein the first groove has first and second annular groove side walls and a first groove base wall, the first groove side wall being further from the first distal end than the second groove side wall, wherein the first groove side wall is angled toward the first distal end at a first acute angle relative to a plane perpendicular to the first longitudinal axis in a direction moving away from the first groove base wall;
• wherein the first tooth has first and second annular tooth side walls and a first tooth outer wall, the first tooth side wall being positioned further from the first distal end than the second tooth side wall, the second tooth side wall comprising a first tooth side wall groove wall engaging surface angled toward the distal end at a third acute angle relative to a plane perpendicular to the first longitudinal axis in a direction moving away from the first outer wall;
• and
• wherein a majority of the first groove base wall is convex.

A pipe ram joint for joining first and second pipes together, the pipe ram joint comprising:

• an annular first ring comprising first and second ends, a first outer wall and a first inner wall, the first end for mounting to an end of the first pipe and the second end defining a first ring receiving opening, the first ring having a first longitudinal axis;
• an annular second ring comprising third and fourth ends, a second outer wall and a second inner wall, the third end for mounting to an end of the second pipe and the fourth end being sized for insertion into the first ring receiving opening, the second ring having a second longitudinal axis;
• the first and second rings being driven together in response to a driving force applied to the first pipe in a drive direction that drives the first ring relative to the second ring in a drive direction that inserts the fourth end of the second ring deeper into the first ring receiving opening;
• the first ring comprising a first coupling portion adjacent to the first end of the first ring, the first inner wall comprising a first annular groove defining portion and an annular projecting first tooth portion adjacent to the second end of the first ring, the first annular groove defining portion being bounded at one side adjacent to the first coupling portion by an annular first face, at a base by an annular first wall, and at a second side adjacent to the second end portion by an annular second face, the first face being angled at an acute angle relative to a plane perpendicular to the first longitudinal axis and away from the second end of the first ring, the second face being angled at an acute angle relative to a plane perpendicular to the first longitudinal axis and away from the second end of the first ring, and wherein the first tooth portion comprises an annular first tooth end face spaced from the second face and angled at an acute angle relative to a plane perpendicular to the first longitudinal axis and away from the second end of the first ring;
• the second ring comprising a second coupling portion adjacent to the third end of the second ring, the second inner wall comprising a second annular groove defining portion and an annular second tooth portion adjacent to the fourth end of the second ring, the second groove defining portion being bounded at one side adjacent to the second coupling portion by an annular third face, at a base by an annular second wall, and at a second side adjacent to the fourth end portion by an annular fourth face, the third face being angled at an acute angle relative to a plane perpendicular to the second longitudinal axis and toward the fourth end of the second ring, the fourth face being angled at an acute angle relative to a plane perpendicular to the second longitudinal axis and away from the fourth end of the first ring, and wherein the second tooth portion comprises an annular second tooth end face spaced from the fourth face and angled at an acute angle relative to a plane perpendicular to the first longitudinal axis and toward from the fourth end of the second ring;
• and
• wherein the first tooth portion is positioned in the second groove portion with the first tooth end face abutting the third ring face and the second tooth portion is positioned in the first groove portion with the second tooth end face abutting the first ring face upon joining the first and second rings together.