CA602747A - Balanced safety valve - Google Patents

Balanced safety valve

Info

Publication number
CA602747A
CA602747A CA602747A CA602747DA CA602747A CA 602747 A CA602747 A CA 602747A CA 602747 A CA602747 A CA 602747A CA 602747D A CA602747D A CA 602747DA CA 602747 A CA602747 A CA 602747A
Authority
CA
Canada
Prior art keywords
safety valve
balanced safety
balanced
valve
safety
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA602747A
Inventor
H. L. Van Eysbergen Johan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell USA Inc
Original Assignee
Johan H L Van Eysbergen
Shell Oil Co
Publication date
Application granted granted Critical
Publication of CA602747A publication Critical patent/CA602747A/en
Expired legal-status Critical Current

Links

CA602747A Balanced safety valve Expired CA602747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA602747T

Publications (1)

Publication Number Publication Date
CA602747A true CA602747A (en) 1960-08-02

Family

ID=35818543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA602747A Expired CA602747A (en) Balanced safety valve

Country Status (1)

Country Link
CA (1) CA602747A (en)

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