[특허]Method and apparatus for providing watertight seal for manhole pipe connection

[미국특허] Method and apparatus for providing watertight seal for manhole pipe connection 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/52
출원번호	US-0375181 (1982-05-05)
발명자 / 주소	Ditcher Jack (Langhorne PA) Westhoff James A. (Huntington Valley PA)
출원인 / 주소	A-Lok Products, Inc. (Tullytown PA 02)
인용정보	피인용 횟수 : 51 인용 특허 : 4

초록 ▼

A resilient gasket having an outer annular flange positioned within a manhole opening and maintained thereagainst under compression by means of a compression band. The gasket is provided with a central opening defined by an enlarged beaded periphery having an elasticity adapted to tightly encircle the outer periphery of the pipe. A folded intermediate section is arranged between and integrally joined to the outer flange and the beaded inner periphery, the intermediate section is comprised of first and second diagonally aligned annular portions integrally joined along a fold to define a V-shape which imparts a yieldability enabling the gasket to maintain a watertight seal between the manhole opening and the pipe, even in the presence of a significant misalignment therebetween. A strap is positioned about the intermediate section of the gasket adjacent the inner beaded periphery to enhance the watertight seal between the gasket and the pipe. The compression band may be provided with pairs of substantially V-shaped slots which enable the band to assume a curvature in a direction transverse to the curved periphery in order to conform to the curvature of the manhole opening. The clamping band is formed of a material which is impervious to the surrounding environment and has a gap and a segment hingedly connected to the main body thereof for placement in said gap and against the interior surface of the gasket to lock the compression band in position and maintain the gasket flange under compression. An expansion assembly includes an expansion ring which cooperates with a hydraulic jack and is positioned against the compression band to expand the compression band into position against the gasket flange and to apply a force uniformly around the compression band to insure proper positioning and locking of the clamping band.

대표청구항 ▼

A gasket assembly for resiliently supporting a pipe within an opening and for sealing the annular region between the outer surface of the pipe and the surface of the opening, comprising: a gasket formed of a resilient, compressible material and having an outer flange adapted to be positioned against the opening in which the gasket is placed; said gasket having a central opening defined by an annular shaped peripheral portion of substantially circular cross-section; an intermediate, substantially V-shaped, folded section comprised of first and second webs joined to one another along a common annular fold and further integrally joined respectively to said outer flange and said inner annular portion; an annular clamping band formed of a plastic material substantially impervious to corrosive influences normally encountered in sewage systems and arranged to be positioned against the inner periphery of said flange; said clamping band having a discontinuity and including an insertable segment positioned within the gap formed by said discontinuity when the clamping band is expanded against said outer flange to lock said clamping band and maintain said outer flange under compression, the interactive forces between the compressed flange and the clamping band serving to retain the clamping band and insertable segment in a locked position against the inner periphery of said flange, the outer periphery of said flange being pressed into intimate engagement with the surface of said opening.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Carlesimo John (29800 W. 8 Mile Rd. Farmington MI 48024), Adjustable seal member for conduit to manhole junction.
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Reynolds ; Desmond Henry James ; Quiney ; Kenneth Maurice, Boot for slidably guided member.
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Ditcher John (Langhorne PA), Gasket seal between sewer pipe and manhole opening.
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Kurata Masayuki (Iwatsuki JA) Watanabe Yusiyo (Iwatsuki JA), Sealing device for hydraulically or pneumatically operated equipment.
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이 특허를 인용한 특허 (51) 인용/피인용 타임라인 분석

Ess, Paul H, Angled manhole sealing band and method for use.
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Knapp, Mark, Annular gasket.
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Mark A. Knapp, Annular gasket with locking structure.
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Daigle Clement (Saint-Jean Chrysostome CAX) Gonthier Emile (St.-Henri CAX), Apparatus for forming an opening with a gasket in a masonry manhole.
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Ditcher Jack (Langhorne PA) Westhoff James A. (Langhorne PA), Apparatus for providing a watertight seal for manhole pipe connections including a foldable gasket and clamping band ass.
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Gundy William P. (Milford NH), Band for effecting a seal.
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Richard James G., Cast-in-place pipe support having a reversible pipe seal and removable closure disk.
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Valls Jose E. (Ponce PR), Composite gasket and fitting including same.
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Valls Jose E. (Ponce PR), Composite gasket and fitting including same.
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Dittel, Claudio, Concrete manhole connector gasket.
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Youngs Andrew, Double booted flexible entry boot.
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Youngs Andrew, Double booted flexible entry boot.
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Mirales, James; Westhoff, James A.; Kelly, James A., Expansion type clamping band characterized by simplified design and ease of use.
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Peet,C. Alan; Markov,Igor; Khalil,Ibrahim, Filter lip seal and method.
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Nordstrom Daniel P. ; Youngs Andrew, Flexible entry boot.
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Nordstrom, Daniel P.; Youngs, Andrew, Flexible entry boot.
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Youngs Andrew, Flexible entry boot.
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Youngs Andrew, Flexible entry boot.
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Miller, Michael R.; Skinner, James W., Flexible waterstop ring.
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Skinner James W. ; Miller Michael R. ; Neuhaus Ronald W. ; Skinner ; deceased William O., Folded gasket and method of casting same in a wall.
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Knapp, Mark, Gasket.
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Knapp, Mark, Gasket.
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Mark Knapp, Gasket.
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Ditcher Jack (Langhorne PA) Westhoff James A. (Langhorne PA), Gasket for use in manholes and including clamping band having cooperating projections and grooves for preventing relativ.
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Versaw ; Jr. Robert H. ; Mosier James W. ; Nordstrom Daniel P., Integrally formed tank sump with lid.
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Versaw ; Jr. Robert H. ; Mosier James W. ; Nordstrom Daniel P., Integrally formed tank sump with water resistant lid assembly.
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Miller Michael R., Interlocking end members for an expandable compression ring.
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Banks,Robert S., Manhole water seal-cap/diverter.
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Nordstrom Daniel P., Matingly engaged flexible entry boot.
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Westhoff James (Langhorne PA) Kelly James A. (Warrington PA), Metallic adjustable clamping band for gaskets.
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Daigle Clement (Saint-Jean Chrysostome CAX) Gonthier Emile (St.-Henri ; Cte Levis CAX), Molded elastomeric circular gasket.
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Knapp, Mark; Smith, Jeffrey Michael, Molded gasket and method of making.
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Knapp, Mark, Permanently lubricated film gasket and method of manufacture.
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Knapp, Mark, Permanently lubricated film gasket and method of manufacture.
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Knapp,Mark, Permanently lubricated film gasket and method of manufacture.
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Knapp, Mark, Pipe coupling assembly.
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Knapp, Mark, Pipe coupling assembly.
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Knapp, Mark, Pipe coupling system and method.
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Meyers Theodore W. (Inverness IL), Pipe seal assembly for poured concrete on-site waste disposal system components.
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Norwood, Steven A., Prefabricated flashing product.
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Norwood, Steven A., Prefabricated flashing product.
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Norwood, Steven A., Prefabricated flashing product.
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Norwood, Steven A.; Osterhoff, Adam, Prefabricated flashing product.
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Meyers Theodore W., Seal component for use in on-site poured concrete or plastic tank or box components of fluid distribution systems.
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Strobl ; Jr. Frederick P. (Cary IL) Meyers Theodore W. (Inverness IL), Septic system drop box with seal apparatus therefor.
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Gilbert Nol (238 ; 14e Avenue La Guadeloupe Beauce-Sud Qubec CAX G0M 1G0), Shaping element for manhole opening and gasket.
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Skinner Harry W. (Fort Wayne IN) Skinner James W. (Fort Wayne IN) O\Donnell William P. (Wilmington DE) Skinner William O. (Baraboo WI), Slipline adjustable manhole seal.
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Palumbo, Nathan; Persky, Joshua; Heinig, Brendan; Simpson, Peter F.; Pink, William, Solid oxide fuel cell with flexible fuel rod support structure.
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Marcum Roger, Stack ban.
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Ess,Paul H., Tapered manhole sealing band and method for use.
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Brockway, Robert D., Wide clamping band for clamping a connector boot within a hole through a generally cylindrical wall.
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[미국특허] Method and apparatus for providing watertight seal for manhole pipe connection 원문보기

초록 ▼

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[미국특허] Method and apparatus for providing watertight seal for manhole pipe connection 원문보기

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대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (51) 인용/피인용 타임라인 분석

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