IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0871300
(2004-06-18)
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발명자
/ 주소 |
- Anderson,Herbert G.
- King,Tillman S.
- Patel,Hiralal V.
- Beier,Jeffry J.
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출원인 / 주소 |
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인용정보 |
피인용 횟수 :
4 인용 특허 :
13 |
초록
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A fitting having an axial end with a front face having an annular groove of half dovetail configuration for receiving a seal. The annular groove having a generally flat base portion, a first and a second side wall generally perpendicular with the base portion and a mouth portion generally opposite t
A fitting having an axial end with a front face having an annular groove of half dovetail configuration for receiving a seal. The annular groove having a generally flat base portion, a first and a second side wall generally perpendicular with the base portion and a mouth portion generally opposite the flat base portion. The first side wall having a proximal first portion contiguous and perpendicular with the base portion, an inwardly angled flat portion contiguous with the proximal first portion, and an arcuate portion having a first end contiguous with the inwardly angled flat portion and a second end that ends into the mouth portion. The seal having a trapezoidal cross sectional area with a first flat wall, a second wall contiguous with the first wall, a third wall contiguous with the second wall, parallel with the first wall and having a shorter length than the first wall, and a fourth wall contiguous with the third and first wall. Wherein, while the seal is installed within the annular groove and not under compression, the seal second wall abuts the groove flat base portion, a portion of the seal third wall abuts the groove first side wall, and a portion of the fourth wall abuts the first flat surface of the inwardly angled lip portion.
대표청구항
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What is claimed is: 1. An assembly having a seal for installation into an annular groove of half dovetail configuration, said groove having a generally flat base portion, a first and a second side wall generally perpendicular with said base portion and extending into a mouth portion, said first sid
What is claimed is: 1. An assembly having a seal for installation into an annular groove of half dovetail configuration, said groove having a generally flat base portion, a first and a second side wall generally perpendicular with said base portion and extending into a mouth portion, said first side wall having a proximal end contiguous with said base portion and a distal end having an inwardly angled lip portion with a first flat surface that leads into an arcuate surface that ends into said mouth portion; said seal having a trapezoidal cross sectional area with a first wall, a second wall contiguous with said first wall, a third wall contiguous with said second wall, parallel with said first wall and having a shorter length than said first wall, and a fourth wall contiguous with said third and first wall; wherein when said seal is installed within said annular groove and not under compression, one of said seal second and fourth walls abuts said groove flat base portion, a portion of said seal third wall abuts said groove first side wall, and a portion of the other of said seal second and fourth walls abuts said first flat surface of said inwardly angled lip portion. 2. The assembly as in claim 1 wherein each of said seal first, second, third and fourth walls are flat and adjacent walls are connected with a curved portion. 3. The assembly as in claim 2 wherein the entire surface of one of said seal second and fourth walls is in contact with the surface of said groove. 4. The assembly as in claim 2 wherein said seal curved portion between one of said second and third walls and said third and fourth walls is in contact with the surface of said groove between said groove first side wall and said inwardly angled lip portion flat surface. 5. The assembly as in claim 2 wherein said seal is symmetric about an axis running through the middle of said seal first and third walls. 6. The assembly as in claim 1 wherein said seal is symmetric about an axis running through the middle of said seal first and third walls. 7. The assembly as in claim 1 wherein, relative to said seal third wall, said seal second wall is angled between 120째 and 150째. 8. The assembly as in claim 1 wherein, relative to said seal first wall, said seal fourth wall is angled between 30째 and 60째. 9. A first fitting for sealing attachment with a second fitting, said first fitting having an axial end with a front face having an annular groove of half dovetail configuration for receiving a seal, said annular groove having a generally flat base portion, a first and a second side wall generally perpendicular with said base portion and a mouth portion generally opposite said flat base portion, said first side wall having a proximal first portion contiguous and perpendicular with said base portion and a distal end having an inwardly angled flat portion contiguous with said proximal first portion and an arcuate portion having a first end contiguous with said inwardly angled flat portion and a second end that ends into said mouth portion; said seal having a trapezoidal cross sectional area with a first wall, a second wall contiguous with said first wall, a third wall contiguous with said second wall, parallel with said first wall and having a shorter length than said first wall, and a fourth wall contiguous with said third and first walls; and wherein prior to attachment of said first fitting with said second fitting, while said seal is installed within said annular groove and not under compression, one of said seal second and fourth walls abuts said groove flat base portion, a portion of said seal third wall abuts said groove first side wall, and a portion of the other of said second and fourth walls abuts said first flat surface of said inwardly angled lip portion. 10. The first fitting as in claim 9 wherein said seal second wall is angled, relative to said third wall, between 120째 and 150째. 11. The first fitting as in claim 9 wherein said seal has a sectional area symmetrical about an axis running through said first and third walls. 12. The first fitting as in claim 9 wherein each of said first, second, third and fourth walls are flat and adjacent walls are connected with a curved portion. 13. The first fitting as in claim 12 wherein the entire surface of one of said seal second and fourth wall is in contact with the surface of said groove. 14. The first fitting as in claim 12 wherein said seal curved portion between one of said second and third and third and fourth walls is in contact with the surface of said groove between said groove first side wall proximal first portion and said inwardly angled flat portion. 15. The first fitting as in claim 9 wherein, relative to said seal first wall, said seal fourth wall is angled between 30째 and 60째. 16. A first fitting for sealing attachment with a second fitting, said first fitting having a first axial end with a front face, perpendicular to the longitudinal axis of said fitting, having an annular groove for receiving a seal, said annular groove having a generally flat base portion, a first and a second side wall generally perpendicular with said base portion and a mouth portion generally opposite said flat base portion; said seal having a trapezoidal cross sectional area with a first wall, a second wall contiguous with said first wall, a third wall contiguous with said second wall, parallel with said first wall and having a shorter length than said first wall, and a fourth wall contiguous with said third and first wall; wherein prior to attachment of said first fitting with said second fitting, while said seal is installed within said annular groove and not under compression, the entire surface area of said seal third wall abuts said groove first side wall and a portion of said seal second wall abuts said groove flat base portion; and said seal has a sectional area symmetrical about an axis running through said first and third walls. 17. The first fitting as in claim 16 wherein each of said seal first, second, third and fourth walls are flat and adjacent walls are connected with a curved portion. 18. The first fitting as in claim 16 wherein said seal curved portion between one of said first and second walls and said first and fourth walls is in contact with the surface of said groove when said seal is installed within said groove prior to attachment with said second fitting. 19. The first fitting as in claim 16 wherein, relative to said seal third wall, said seal second wall is angled between 120째 and 150째. 20. The first fitting as in claim 16 wherein, relative to said seal first wall, said seal fourth wall is angled between 30째 and 60 째.
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