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US 6,085,376 AGranted
Pipe cleaning apparatus
AssigneeITC Incorporated
InventorsMichael P. Antal, Brian D. Antal
Life of this patent
Estimating the term…
Abstract
A pipe cleaning apparatus that is a pipe cleaning plug assembly for cleaning pipes or tubes that includes a plurality of scrapers removably secured to a plurality of shafts. Each of the scrapers includes a body having an outer perimeter defining a scraper blade and at least one perforation defined by the body. Each of the shafts is removably secured to the scraper. The scraper blade is adapted to contact an inner surface of a tube or a pipe.
Claims15
A cleaning plug assembly for cleaning tubes, comprising:
- (a) a scraper having a scraper body with an outer perimeter defining a scraper blade and at least one perforation defined by said body, said scraper defining a scraper pin receiving hole;
- (b) a shaft removably secured to said scraper, said shaft comprising a shaft body, said shaft body including a first end and a second end;
- wherein a pin extends from said first end and a pin receiving hole is defined at said second end of said shaft body, said pin passes through the scraper pin receiving hole, and wherein said shaft body defines a shoulder at an interface of said pin and said shaft body, said pin receiving hole of said shaft body is adapted to receive a pin of an adjacent shaft;
- and
- (c) a securement member removably secured to said pin whereby a portion of said scraper is sandwiched between said shaft body and said securement member, wherein said scraper blade is adapted to contact an inner surface of a tube.
2 more elements
A cleaning plug assembly for cleaning tubes, comprising:
- (a) a scraper having a scraper body with an outer perimeter defining a scraper blade and at least one perforation defined by said body, wherein said scraper body defines a central hole defined by a continuous central hole defining portion of said body, a perforated portion defining a plurality of perforations of said body extending from said central hole defining portion adapted to permit water to pass through the perforations and a scraper blade portion extending from said perforated portion defining said scraper blade, said perforated portion comprises a plurality of axially extending legs connected to said scraper blade portion and said central hole defining portion, wherein said perforations are defined between adjacent legs, said perforated portion of said scraper body and said scraper blade portion defined by a plurality of radially extending scraper segments, wherein radially extending slots are defined between adjacent segments and each of said segments defines an arcuate shaped scraper blade, said segments are circumferentially spaced apart and axially offset from said central hole defining portion and said segments are adapted to elastically flex in toward a central axially extending axis passing through the central hole;
- (b) a shaft removably secured to said scraper, said shaft comprising a shaft body, wherein said shaft includes a threaded pin that extends from said shaft body and passes through the central hole, said shaft body has a first end and second end and defines a shoulder at an interface of said pin and said shaft body, said pin extending from said first end and a threaded pin receiving hole is defined at said second end, said threaded pin receiving hole is adapted to receive a pin of an adjacent shaft;
- and
- (c) an adjacent shaft that includes a shaft body, a threaded pin extending from a first end of said shaft body and a threaded pin receiving hole defined at a second end of said shaft body, wherein said threaded pin of said shaft is received within the threaded pin receiving hole of said adjacent shaft body whereby a portion of said scraper body is sandwiched between said shaft body and said adjacent shaft body, wherein said scraper blade is adapted to contact an inner surface of a tube.
1 more element
Dependencies are inferred from the claim text.