Electrothermally deformable levelling pad

Details Electrothermally deformable levelling pad Electrothermally deformable levelling pad

1974-10-01

1976-02-03

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

219213, 219549, 238283, 260860, H05B 334

Patent

active

039366618

ABSTRACT:
An electrothermally deformable levelling pad utilizable in padding, levelling or aligning girders, rails or any other constructional or structural elements. The levelling pad comprises at least one thermoplastic plate member and an electric heater for heating the thermoplastic plate member to soften or melt to cause the overall thickness of the pad to reduce to a value sufficient to bring an article or machine to a predetermined level. The plate member is made of a thermoplastic random-copolymerized polyester which comprises an acid component and a glycol component.

REFERENCES:
patent: 2185692 (1940-01-01), McCleary
patent: 2735926 (1956-02-01), Langlois
patent: 2741692 (1956-04-01), Luke
patent: 2938992 (1960-05-01), Crump
patent: 3584198 (1971-06-01), Doi et al.
patent: 3662951 (1972-05-01), Smith et al.
patent: 3682846 (1972-08-01), Sano et al.
patent: 3688984 (1972-09-01), Sonneville
patent: 3745302 (1973-07-01), Bond
patent: 3766146 (1973-10-01), Witsiepe
patent: 3784520 (1974-01-01), Hoeschele

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