Electric heating – Heating devices – Tool or instrument
Patent
1991-02-22
1991-10-22
Bartis, Anthony
Electric heating
Heating devices
Tool or instrument
219239, 219241, 228 51, B23K 302, H05B 102, H05B 300
Patent
active
050597698
ABSTRACT:
A metallic soldering tip is disclosed having a forward, outer retaining rim and a rear inwardly tapered skirted end of the character to be fitted loosely over a ceramic rod heating element. The tip is axially slotted from its rear edge to a point forward of the retaining rim. An inner sheath over the rear portion of the ceramic rod has a flared forward end which engages the tapered skirted end of the soldering tip while the reduced diameter forward end of an outer retaining sheath engages the retaining rim of the soldering tip and is drawn forcefully rearwardly by a retaining nut threaded onto the handle or body of the soldering implement. The rearward displacement of the outer sheath forces the slotted skirted portion of the soldering tip to press inwardly against the ceramic heating element by virtue of the tapered relation between the inner sheath, the rear of the soldering tip, retaining rim and the forward end of the outer retaining sheath. Thusly, otherwise a loose fitting soldering tip may be caused to be snugly fitting over the heater element without axially scraping or abrasion during the removal or replacement steps.
REFERENCES:
patent: 2224583 (1940-12-01), Abbott
patent: 2665365 (1954-01-01), Thomas
patent: 3646577 (1972-02-01), Ernst
patent: 3899114 (1975-08-01), Kleeberg
patent: 3919524 (1975-11-01), Fortune
patent: 4463247 (1984-07-01), Lawrence
patent: 4734559 (1988-03-01), Fortune et al.
Anderson Daniel T.
Bartis Anthony
LandOfFree
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