Apparatus and method for repairing an existing spill containment manhole
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16L-055/18
B65D-090/10
B67D-007/32
B67D-007/78
출원번호
US-0867010
(2013-04-19)
등록번호
US-9228690
(2016-01-05)
발명자
/ 주소
Lawrence, James L.
출원인 / 주소
Emco Wheaton Retail Corporation
대리인 / 주소
Merek, Blackmon & Voorhees, LLC
인용정보
피인용 횟수 :
0인용 특허 :
16
초록▼
An apparatus for repairing an existing spill containment manhole operably associated with an underground fuel storage tank. The apparatus includes a containment vessel for containing fuel spilled during filling of the underground fuel storage tank. A major portion of the containment vessel is adapte
An apparatus for repairing an existing spill containment manhole operably associated with an underground fuel storage tank. The apparatus includes a containment vessel for containing fuel spilled during filling of the underground fuel storage tank. A major portion of the containment vessel is adapted to be inserted into an existing spill containment manhole. Preferably, the containment vessel includes an upper annular flange that extends over and surrounds a portion of an existing cover rim of an existing spill containment manhole thereby isolating an upper portion of the containment vessel from an upper portion on the existing spill containment manhole when the containment vessel is installed. Optionally, a replacement cover is provided to replace an existing cover of the existing spill containment manhole. The replacement cover may include at least one sealing member that engages the inner surface of the at least one wall of the containment vessel when installed.
대표청구항▼
1. A kit for repairing an existing spill containment manhole operably associated with an underground fuel storage tank, said kit comprising: (a) a containment vessel for containing fuel spilled during filling of the underground fuel storage tank, a major portion of said containment vessel being adap
1. A kit for repairing an existing spill containment manhole operably associated with an underground fuel storage tank, said kit comprising: (a) a containment vessel for containing fuel spilled during filling of the underground fuel storage tank, a major portion of said containment vessel being adapted to be inserted into an existing spill containment manhole, said containment vessel surrounding an existing pipe section operably associated with the underground fuel storage tank when said containment vessel is installed, said containment vessel including an annular wall, a bottom having an opening for receiving the existing pipe section and a flange, said flange being disposed at the uppermost portion of said containment vessel, said annular wall having an inner surface and an outer surface, said annular wall being continuous and uninterrupted such that said annular wall is free of joints, said annular wall extending from said bottom to said flange; and,(b) a replacement cover to replace an existing cover of the existing spill containment manhole, said replacement cover having a first annular portion and a second annular portion, said second annular portion being adapted to extend into said containment vessel when said replacement cover is installed, said first annular portion being disposed above said second annular portion, said replacement cover having at least one sealing member that engages said inner surface of said annular wall of said containment vessel when installed, said at least one sealing member extending outwardly from said second annular portion and being disposed between said second annular portion and said inner surface of said annular wall of said containment vessel. 2. A kit as set forth in claim 1, wherein: (a) said sealing member is fixed to said removable cover such that upon removal of said removable cover said sealing member is removed with said removable cover. 3. A kit as set forth in claim 2, wherein: (a) said at least one sealing member includes a plurality of sealing ribs each of which extends outwardly from said second annular portion of said replacement cover. 4. A kit as set forth in claim 2, wherein: (a) a top surface of said first portion of said replacement cover when said replacement cover is installed is disposed at grade level. 5. A kit as set forth in claim 1, wherein: (a) a top surface of said first annular portion has a diameter greater than an inner diameter of an existing cover rim, the existing cover rim is retained in place by one of asphalt and concrete. 6. A kit as set forth in claim 5, wherein: (a) said flange is annular and includes a substantially horizontally extending lip that is received in a recess formed in the existing cover rim of an existing containment manhole when said containment vessel is installed. 7. A kit as set forth in claim 6, wherein: (a) said substantially horizontally extending lip and said annular wall are formed from a single piece of material. 8. A kit as set forth in claim 7, wherein: (a) said substantially horizontally extending lip surrounds an inner annular portion of the existing cover rim of the existing spill containment manhole when said containment vessel is installed. 9. A method of repairing an existing spill containment manhole operably associated with an underground fuel storage tank, said method comprising the steps of: (a) providing a containment vessel for containing fuel spilled during filling of the underground fuel storage tank, said containment vessel including at least one vertically extending wall that when installed surrounds an existing pipe section operably associated with the underground fuel storage tank, said at least one vertically extending wall having an inner surface and an outer surface, an uppermost portion of the existing pipe section being disposed below a lowermost portion of a cover rim of the existing spill containment manhole, the cover rim being retained in place by one of concrete and asphalt;(b) providing a replacement cover to replace an existing cover of the existing spill containment manhole, said replacement cover having a first annular portion and a second annular portion, said second annular portion being disposed below said first annular portion, said replacement cover having at least one annular seal that engages said inner surface of said at least one wall of said containment vessel and extends outwardly from an outer surface of said second annular portion of said replacement cover, said at least one annular seal being fixed to said replacement cover so that said at least one annular seal moves with said replacement cover;(c) removing an existing cover of an existing spill containment manhole from an existing cover rim,(d) inserting said containment vessel into the existing spill containment manhole through an opening formed in the cover rim of the existing spill containment manhole without disturbing the existing surrounding retaining structure for retaining the existing rim cover of the existing spill containment manhole; and,(e) placing the replacement cover in the existing rim cover so that the annular seal engages an inner surface of said at least one wall of said containment vessel. 10. A method as recited in claim 9, further including the step of: (a) performing step (d) of claim 9 such that the existing spill containment manhole is isolated without any sealing substance between an upper annular portion of said at least one vertically extending wall of said containment vessel and an adjacent portion of the existing spill containment manhole. 11. A method as recited in claim 9, wherein: (a) the existing spill containment manhole has a first volume and said containment vessel has a second volume, said second volume is greater than half of said first volume.
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이 특허에 인용된 특허 (16)
Balch Joseph C. (7665 Balch Way Salcha AK 99714), Apparatus for catching and temporarily storing spilled or overflowed liquid.
Sunderhaus Charles A. (Hamilton OH) Butterfield Eric J. (Cincinnati OH) Kesterman James E. (Cincinnati OH) Lamping Frank G. (Bellevue KY), Spill containment devices and their installation.
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