All-in-one fire-fighting lance sheath

The utility model relates to an all-in-one fire-fighting lance sheath which comprises a bush and a rubber plastic material sheath, wherein the bush is a thin-wall ferrule and is a part of a fire-fighting lance nozzle; and by coating a special binding agent on the outer surface of the bush, the rubbe...

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Bibliographic Details
Main Authors LU LINGQUAN, YANG ZHENG, FU JIANQIAO
Format Patent
LanguageChinese
English
Published 17.11.2010
Subjects
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
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Summary:The utility model relates to an all-in-one fire-fighting lance sheath which comprises a bush and a rubber plastic material sheath, wherein the bush is a thin-wall ferrule and is a part of a fire-fighting lance nozzle; and by coating a special binding agent on the outer surface of the bush, the rubber plastic material sheath is injected and bound on the bush in one step for moulding on an injection molding machine, thereby forming the fire-fighting lance sheath. The utility model realizes the simple all-in-one fire-fighting lance sheath not in the traditional way that an independent sheath which is made of rubber materials and has larger thickness is coated outside the lance nozzle, simplifies and compacts the structure of the lance, optimizes hydraulic characteristics of a flow channel in the lance and the operating performance of the lance and effectively improves the jet performance of the lance.
Bibliography:Application Number: CN20102123029U