Plug-type device for interconnecting conduits
Patent 3989282 Issued on November 2, 1976. Estimated Expiration Date: 
November 2, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 2, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorAssigneeApplicationNo. 603493 filed on 08/11/1975US Classes:285/222, Expanded or swaged pipe285/382.4, Outwardly expanded29/523, Radially expanding internal tube403/248Rod is expanded by component inserted from distal sideExaminersPrimary: Callaghan, Thomas F.Attorney, Agent or FirmAbstractA device to facilitate the connection of a relatively small diameter hose to a larger diameter pipe has a tubular plug-like configuration with a flared portion at one end and a cylindrical portion at the other end. With the cylindrical portion placed within the end of the hose, both the device and the hose are inserted through a side opening in the pipe. When inside the pipe the hose is pushed further onto the flared end portion of the device so that the hose is stretched to a diameter larger than the opening. Tension on the hose causes it to lodge tightly in the opening and form a permanent connection. | |
