Pipe length tally system

Details Pipe length tally system Pipe length tally system

1989-06-19

1991-03-19

Lall, Parshotam S.

Boots, shoes, and leggings

33763, 33792, G06F 1520, G01B 312

Patent

active

050016580

ABSTRACT:
A system for use in measuring the lengths of individual pipes in a disassembled pipe string and automatically computing and recording the individual lengths and their cumulative total. The system 20 includes a measuring tape 21 on a spool 22 journalled for rotation as the tape is withdrawn therefrom and a system operations controller 48. The controller comprises a shaft encorder 50 for generating an encoded signal of voltage pulses representing the angular rotation of the spool and microprocessor 60 for converting the encoded signal to a data signal representing the length of a pipe P, the pipe number in order of sequence of measurement, and a cumulative total of individual pipe lengths. The data signals are transferable to a memory storage 64 by manual switch from which they are coupled to a visual display 70 and are retrievable for recording by a printer 72. The controller includes reset means 84 for zeroing controller components when the tape is in a most fully wound position and means 86 for selectively and successively deleting the data signal representing the last measured pipe length.

REFERENCES:
patent: 3780440 (1973-12-01), Taylor
patent: 4161781 (1979-07-01), Hildenbrandt et al.
patent: 4181959 (1980-01-01), Tateishi
patent: 4181960 (1980-01-01), Tateishi et al.
patent: 4642899 (1987-02-01), Fass et al.
patent: 4718168 (1988-01-01), Kerr
patent: 4747215 (1988-05-01), Waikas
patent: 4765063 (1988-08-01), Sing

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