Lining pad with bending portion for maintenance of polygonal pipe and manufacturing method of the same

Disclosed are a lining material (300) for repairing a square pipe (100) having a bending unit and a manufacturing method thereof. The disclosed manufacturing method of a lining material (300) comprises: a cutting step (S10) of cutting a resin absorbent material (400) according to the size of an inne...

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Bibliographische Detailangaben
Hauptverfasser:	JEON GEUNSIK, HAN HYOIK, KIM GYEONGRAE, KANG TAEWON, IM CHANGHUI, HAN HYEONGSAN, IM CHANGGIL, KIM SUNHUI
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MAKING GRANULES OR PREFORMS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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