Assembly process for fabric bag plug

An assembly process for inflatable fabric bag plugs used to seal low pressure pipelines. The assembly process steps include marking and cutting coated fabric elements from a predetermined woven fabric and a plurality of sealing strips. The fabric elements and sealing strips include a plug body porti...

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Bibliographische Detailangaben
Hauptverfasser:	MATHISON, ALLEN D, SMITH, RANDY D
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An assembly process for inflatable fabric bag plugs used to seal low pressure pipelines. The assembly process steps include marking and cutting coated fabric elements from a predetermined woven fabric and a plurality of sealing strips. The fabric elements and sealing strips include a plug body portion, main seam cap strips and first and second end seam cap strips. The process steps further include forming a flat tubular plug body from the plug body portion and bonding sealing rib extrusions thereto. A first end closure is formed in the plug body, a first tethering assembly is bonded over the first end closure and ports are installed therethrough for receiving an inflation assembly and a gauge assembly. A second end closure is formed in the plug body and an opposing tethering assembly is formed and attached thereover. The main seam cap strips, the first and second end seam cap strips and sealing strips are bonded over all internally and externally exposed fabric edges of the plug body to prevent leakage when the plug is inflated.