IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0184344
(2008-08-01)
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등록번호 |
US-7726702
(2010-06-22)
|
발명자
/ 주소 |
- Schulze, Dieter
- Rutz, Peter
- Steinmeyer, Norbert
- Ziehl, Martin
- Udhofer, Andreas
|
출원인 / 주소 |
- Parker Hannifin GmbH & Co. AG
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
5 |
초록
▼
Assembly for connecting a pipe having a flanged end in fluid communication with an opposing part. The assembly includes an insert received coaxially within the pipe end and having a forward end face extending axially beyond the pipe end, a clamp ring received coaxially over the pipe end, and a flang
Assembly for connecting a pipe having a flanged end in fluid communication with an opposing part. The assembly includes an insert received coaxially within the pipe end and having a forward end face extending axially beyond the pipe end, a clamp ring received coaxially over the pipe end, and a flange piece which is fastenable to the opposing as received coaxially over the clamp ring. As the flange piece is fastened to the opposing part, the forward end face of the insert is urged into a sealable engagement against a confronting surface of the opposing part.
대표청구항
▼
What is claimed is: 1. An assembly for connecting a pipe in fluid communication with an opposing part, the pipe having a generally cylindrical pipe body, the assembly comprising: a flanged end of the pipe extending from a transition portion to the pipe body having a first slope, to an outer end por
What is claimed is: 1. An assembly for connecting a pipe in fluid communication with an opposing part, the pipe having a generally cylindrical pipe body, the assembly comprising: a flanged end of the pipe extending from a transition portion to the pipe body having a first slope, to an outer end portion having a second slope greater than the first slope, the pipe end having a generally radial inner surface and a generally radial outer surface: an insert having a reward end received coaxially into the pipe end and a forward end face extending axially beyond the pipe end, the insert being nested within the radial inner surface of the pipe end as having a generally radial outer surface with a first slope adjacent the rearward end contoured to the first slope of the pipe end and a second slope adjacent the forward end face contoured to the second slope of the pipe end; a clamp ring received coaxially over the pipe end, the clamp ring having a generally radial inner surface and a radial outer surface defining a forward shoulder portion and a rearward portion, the outer surface of the tube end nesting within the inner surface of the clamp ring; and a flange piece received coaxially over the clamp ring, the flange piece having a radial inner surface defining a generally annular recess, the rearward portion of the clamp ring nesting within the recess, the flange piece being fastenable to the opposing part, whereby as the flange piece is fastened to the opposing part, the forward end face of the insert is urged into a sealable engagement against a confronting surface of the opposing part, and wherein the opposing part comprises a second said assembly and the forward end face of the insert of the second assembly forms the confronting surface of the opposing part and the flange piece of the first assembly is fastenable to the flange piece of the second assembly. 2. An assembly for connecting a pipe in fluid communication with an opposing part, the pipe having a generally cylindrical pipe body, the assembly comprising: a flanged end of the pipe extending from a transition portion to the pipe body having a first slope, to an outer end portion having a second slope greater than the first slope, the pipe end having a generally radial inner surface and a generally radial outer surface; an insert having a reward end received coaxially into the pipe end and a forward end face extending axially beyond the pipe end, the insert being nested within the radial inner surface of the pipe end as having a generally radial outer surface with a first slope adjacent the rearward end contoured to the first slope of the pipe end and a second slope adjacent the forward end face contoured to the second slope of the pipe end; a clamp ring received coaxially over the pipe end, the clamp ring having a generally radial inner surface and a radial outer surface defining a forward shoulder portion and a rearward portion, the inner surface of the clamp ring being formed as having a friction-increasing profile comprising a series of ridges, and the outer surface of the tube end nesting within the inner surface of the clamp ring; and a flange piece received coaxially over the clamp ring, the flange piece having a radial inner surface defining a generally annular recess, the rearward portion of the clamp ring nesting within the recess, the flange piece being fastenable to the opposing part, whereby as the flange piece is fastened to the opposing part, the forward end face of the insert is urged into a sealable engagement against a confronting surface of the opposing part. 3. An assembly for connecting a pipe in fluid communication with an opposing part, the pipe having a generally cylindrical pipe body, the assembly comprising: a flanged end of the pipe extending from a transition portion to the pipe body having a first slope, to an outer end portion having a second slope greater than the first slope, the pipe end having a generally radial inner surface and a generally radial outer surface; an insert having a reward end received coaxially into the pipe end and a forward end face extending axially beyond the pipe end, the insert being nested within the radial inner surface of the pipe end as having a generally radial outer surface with a first slope adjacent the rearward end contoured to the first slope of the pipe end and a second slope adjacent the forward end face contoured to the second slope of the pipe end; a clamp ring received coaxially over the pipe end, the clamp ring having a generally radial inner surface and a radial outer surface defining a forward shoulder portion and a rearward portion, the inner surface of the clamp ring being formed as having a friction-increasing coating comprising a granulated material, and the outer surface of the tube end nesting within the inner surface of the clamp ring; and a flange piece received coaxially over the clamp ring, the flange piece having a radial inner surface defining a generally annular recess, the rearward portion of the clamp ring nesting within the recess, the flange piece being fastenable to the opposing part, whereby as the flange piece is fastened to the opposing part, the forward end face of the insert is urged into a sealable engagement against a confronting surface of the opposing part. 4. The assembly of claim 1, 2, or 3 further comprising a least a pair of screws, the screws being receivable through the flange piece and being screwable into the opposing part for fastening the piece thereto. 5. The assembly of claim 1, 2, or 3 wherein the flange piece has a forward axial end face disposed against the shoulder portion of the clamp ring. 6. The assembly of claim 1, 2, or 3 wherein each of the inner and outer surfaces of the pipe end, the outer surface of the insert, and the inner surface of the claim clamp ring each has a generally parabola-shaped profile. 7. The assembly of claim 1, 2, or 3 further comprising a seal ring interposed between the forward end face of the insert and the confronting surface of the opposing part. 8. The assembly of claim 1, 2, or 3 further comprising a seal ring interposed between the outer surface of the insert and the inner surface of the pipe end. 9. The assembly of claim 1, 2, or 3 wherein the insert rearward end extends beyond the transition portion of the pipe end into the pipe body.
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