Electric heating – Heating devices – With heating unit structure
Patent
1973-11-29
1976-02-24
Albritton, C. L.
Electric heating
Heating devices
With heating unit structure
219545, 219547, 338208, H05B 310
Patent
active
039405923
ABSTRACT:
A pad comprising at least one sheet of material having a thermoplastic resinous composition and a heater actuable to heat and soften the sheet, the pad being for use in alignment of machine equipment, rails, beams, girders, or other constructional elements relative to a horizontal base, vertical or inclined line, or to other constructional elements. In use the pad is placed between the equipment, rail or the like and a support or abutment therefor, and the heater is actuated so as to soften the pad just sufficiently that the weight of object or a force thereon reduces the thickness of the pad an amount equal to the desired movement of the object necessary to achieve the desired alignment.
REFERENCES:
patent: 2467349 (1949-04-01), VanDaam
patent: 2662045 (1953-12-01), Baggott
patent: 2669646 (1954-02-01), Ford
patent: 2741692 (1956-04-01), Luke
patent: 2889439 (1959-06-01), Musgrave
patent: 2938992 (1960-05-01), Crump
patent: 3060303 (1962-10-01), Skoglund et al.
patent: 3111569 (1963-11-01), Rubenstein
patent: 3527925 (1970-09-01), Toyooka et al.
Azuma Kuninori
Furuishi Haruhisa
Izumi Hiroshi
Murata Yoshihiro
Shimizu Keiji
Albritton C. L.
Japanese National Railways
Matsushita Electric - Industrial Co., Ltd.
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