Novel packing die

The utility model provides a novel packing die which belongs to a tool for oil field production. The novel packing die comprises a tubular outer die; a cylindrical inner die is arranged in the outer die; a ring-shaped lower pressure ring is arranged between the outer die and the inner die; and an up...

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Bibliographic Details
Main Authors LI YUSHUN, CUI YUNHAI, LIANG LI, SUN ZHANFENG, ZHONG WEIHONG, NIE RENJUN, HUANG XIAOHUA, CUI YUNJIANG, WEN JIANLAN
Format Patent
LanguageChinese
English
Published 09.11.2011
Subjects
CUTTING
CUTTING-OUT
HAND CUTTING TOOLS
PERFORATING
PERFORMING OPERATIONS
PUNCHING
SEVERING
SEVERING BY MEANS OTHER THAN CUTTING
STAMPING-OUT
TRANSPORTING
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Summary:The utility model provides a novel packing die which belongs to a tool for oil field production. The novel packing die comprises a tubular outer die; a cylindrical inner die is arranged in the outer die; a ring-shaped lower pressure ring is arranged between the outer die and the inner die; and an upper pressure ring is arranged above the lower pressure ring. By adopting the packing die, formed packing sets can be manufactured, and the shape of the packing set is regular and standard, so that the sealing effect and the service life of the packing set are improved and prolonged, and the convenience of the packing set is also improved. The novel packing die is simple and reasonable in structure, and low in cost.
Bibliography:Application Number: CN2011262390U