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GB1330285A - Method of measuring and registering the depth of underwater elements of a trawl set and apparatus for using the method - Google Patents

Method of measuring and registering the depth of underwater elements of a trawl set and apparatus for using the method

Info

Publication number
GB1330285A
GB1330285A GB2347571A GB2347571A GB1330285A GB 1330285 A GB1330285 A GB 1330285A GB 2347571 A GB2347571 A GB 2347571A GB 2347571 A GB2347571 A GB 2347571A GB 1330285 A GB1330285 A GB 1330285A
Authority
GB
United Kingdom
Prior art keywords
measuring
trawl
registering
depth
housing
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
GB2347571A
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.)
MORSKI INST RYBACKI
Original Assignee
MORSKI INST RYBACKI
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MORSKI INST RYBACKI filed Critical MORSKI INST RYBACKI
Publication of GB1330285A publication Critical patent/GB1330285A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

1330285 Pressure gauge MORSKI INSTYTUT RYBACKI 19 April 1971 [17 Feb 1970] 23475/71 Heading G1L In an underwater depth measuring and recording instrument for a trawling unit, a predetermined hydro-static water pressure on a piston 8 actuates a switch 9 to start a motor driving a pen recorder system 11, enclosed in a water tight manner in a housing 1, and the pen is actuated by a sensor 5, consisting of a calibrated bellows enclosing a calibrated spring, mounted externally of the housing 1 on a wall 4, through a rod 11 and arm 12. (For Figure see next page)
GB2347571A 1970-02-17 1971-04-19 Method of measuring and registering the depth of underwater elements of a trawl set and apparatus for using the method Expired GB1330285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL13887670A PL69698B1 (en) 1970-02-17 1970-02-17

Publications (1)

Publication Number Publication Date
GB1330285A true GB1330285A (en) 1973-09-12

Family

ID=19951309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2347571A Expired GB1330285A (en) 1970-02-17 1971-04-19 Method of measuring and registering the depth of underwater elements of a trawl set and apparatus for using the method

Country Status (4)

Country Link
BG (1) BG20084A3 (en)
GB (1) GB1330285A (en)
PL (1) PL69698B1 (en)
RO (1) RO57705A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194339A (en) * 1986-08-23 1988-03-02 Marie Pierre Wilson A data recording depth gauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194339A (en) * 1986-08-23 1988-03-02 Marie Pierre Wilson A data recording depth gauge

Also Published As

Publication number Publication date
RO57705A (en) 1974-12-15
PL69698B1 (en) 1973-08-31
BG20084A3 (en) 1975-10-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees