Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to apply stress to preform and uniting in stressed...
Patent
1980-10-17
1982-03-23
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
And means to apply stress to preform and uniting in stressed...
249 1, 249 2, 249 8, 249 83, 249117, 249160, 254 98, 254100, B28B 2160, B28B 2176
Patent
active
043210244
ABSTRACT:
Metal supports (1), are provided to rest on the ground and to removably support metal forms (2). These supports are provided with screw (4) and nut (9) means used for accurately adjusting in elevation the forms. Removable struts (16) are used to fix the gap or spacing between parallel forms and tension wires (17) going through the forms are used to secure the forms during the casting of the concrete. Means are provided to stretch and secure (20, 21) these wires with respect to the forms.
This apparatus allows to make a slab of which the upper face is perfectly horizontal and at the level desired, with a minimum of time devoted to the setting in place and removing of the apparatus.
REFERENCES:
patent: 807511 (1905-12-01), Slonecker
patent: 912062 (1909-02-01), Bendle
patent: 1350603 (1920-08-01), Gerritsom et al.
patent: 1704031 (1929-03-01), Boehm
patent: 1739254 (1929-12-01), Mosel
patent: 2809414 (1957-10-01), Mitchell
patent: 3072994 (1963-01-01), Brickman
patent: 3239188 (1966-03-01), Gostling
patent: 3347514 (1967-10-01), Yates
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