Assembly of thermocouple sensor fitted to iron tip

Details Assembly of thermocouple sensor fitted to iron tip Assembly of thermocouple sensor fitted to iron tip

1995-07-21

1998-11-17

Jeffery, John A.

Electric heating

Heating devices

Tool or instrument

219229, 228 51, G01K 702, H05B 102, B23K 302, B23K 303

Patent

active

058379738

ABSTRACT:
A thermocouple sensor is fitted to an iron tip of an electric soldering iron provided with a temperature controller. The sensor can detect the temperature of the iron tip and supply it to the temperature controller, which then adjusts the temperature to a desired value. The thermocouple sensor is formed of a pair of non-covered sensor wires. A contact point part of the thermocouple sensor is secured to a nose of the iron tip. The wires are laid along the surface of the nose in the rearward direction and introduced into a hollow portion through a lead-in hole opened in the vicinity of the boundary between the nose and a columnar base of the iron tip. Then, the wires are inserted into and through a pair of guide holes, respectively, formed in a cylindrical insulating support of a heater. The distal ends of the wires are coupled to a socket, which is an end portion for receiving a signal representing the detected temperature of the iron tip to supply it to the temperature controller.

REFERENCES:
patent: 2897335 (1959-07-01), Finch
patent: 3530930 (1970-09-01), Oldfield
patent: 3654427 (1972-04-01), Schoenwald
patent: 4924067 (1990-05-01), Wilhelmson
patent: 5062564 (1991-11-01), Urban
patent: 5122637 (1992-06-01), Bottorff et al.
patent: 5297716 (1994-03-01), Smith et al.
patent: 5406053 (1995-04-01), Masreliez
patent: 5412178 (1995-05-01), Tamura

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