Electric heating – Heating devices – Tool or instrument
Patent
1987-06-01
1989-05-09
Bartis, Anthony
Electric heating
Heating devices
Tool or instrument
156579, 219240, 219245, 219241, H05B 300, H05B 102
Patent
active
048291579
ABSTRACT:
An electric iron for heating and releasing the adhesive of a bonding tape used to join fiberglass panels for insulating heating and air conditioning ducts includes a generally S-shaped resistance heating element disposed in a recess on the upper side of a planar sole plate of the iron. A body section is secured over the upper side of the sole plate and covers a layer of refractory material continguously covering the sole plate and heating element to prevent heat dissipation upwardly therefrom. Additional thermal insulation in the form of planar gaskets and layer of spun fibrous material is provided above the refractory layer and the body section is vented by openings through the walls thereof. The heating element is thermostatically controlled and is protected by a high temperature limit fuse as well as an excess current fuse. The sole plate may be made V-shaped so as to engage inside or outside corners formed by abutting panels being joined. The iron is manipulated by a handle secured to the top of the body section. The handle may be elongated and secured to the body section by a universal joint thereby permitting adjustment of the handle position to accommodate use of the tool in hard-to-reach locations.
REFERENCES:
patent: 572467 (1896-12-01), Baker
patent: 915070 (1909-03-01), Bowerwax
patent: 1471823 (1923-10-01), Boswell
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patent: 4029935 (1977-06-01), Archer et al.
patent: 4160688 (1979-07-01), Brooks et al.
patent: 4227067 (1980-10-01), McElroy
patent: 4248659 (1981-02-01), Bopst
Bartis Anthony
Nelson Gregory J.
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