发明名称 LAMELFASTHOLDELSE VED EN OPPUSTELIG PAKNING
摘要 The strength of slats attached to an inflatable packer assembly by welding is increased by forming the slats of an age-hardening materials, welding the slats to the inflatable packer assembly in an annealed condition followed by age-hardening of the welded slats. A slat structure having much greater strength than welded cold-worked material is realized. <IMAGE>
申请公布号 DK132193(A) 申请公布日期 1994.05.26
申请号 DK19930001321 申请日期 1993.11.24
申请人 PUMPTECH NV 发明人 SOREM, ROBERT M.
分类号 E21B33/127;(IPC1-7):E21B33/127 主分类号 E21B33/127
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