Electric heater for the coupling head of a central buffer...

Details Electric heater for the coupling head of a central buffer... Electric heater for the coupling head of a central buffer...

2006-05-02

2006-05-02

Jeffery, John A. (Department: 3742)

Electric heating

Heating devices

Combined with diverse-type art device

C219S520000, C219S535000, C219S544000, C213S0750GT

Reexamination Certificate

active

07038169

ABSTRACT:
The invention relates to a heater for an electric central buffer coupling in which at least one heating element (3) is placed in a recess of the coupling head (1) and is covered toward the outside. To improve the transfer of heat from the heating element (3) into the coupling head (1) and to reduce the expense of assembling and dismantling the heating element (3), the recess is precision fitted to the diameter of the heating element (3) and the recess is constructed in such a way that after completion of the recess the heating element (3), including its seal to the front side, can be introduced into the recess and is to be removably affixed to the coupling head (1).

REFERENCES:
patent: 3335459 (1967-08-01), Tyrner
patent: 3412231 (1968-11-01), McElligott
patent: 3499189 (1970-03-01), Perras
patent: 3542123 (1970-11-01), Hornbaker et al.
patent: 3723705 (1973-03-01), Province
patent: 3937923 (1976-02-01), Smith
patent: 4195755 (1980-04-01), Slautterback et al.
patent: 4208574 (1980-06-01), Schafer
patent: 4859833 (1989-08-01), Petersen
patent: 5580275 (1996-12-01), Bozek
patent: 6003971 (1999-12-01), Hanks et al.
patent: 6008472 (1999-12-01), Kreher et al.
patent: 6169272 (2001-01-01), Racine et al.

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