Box form for concrete culvert

Details Box form for concrete culvert Box form for concrete culvert

1977-02-14

1978-10-31

Husar, Francis S.

Static molds

Container-type molding device

Adjustable, forming different size or shaped product

249100, 249165, B28B 700

Patent

active

041230345

ABSTRACT:
A box form used in a dry cast system for making a concrete box culvert. The form has a pair of wall sections secured together with a pair of corner units. The corner units can be removed from the wall sections and replaced with different sized corner units to change the size of the complete form. Spacers can be interposed between the corner units and wall sections to change the wall thickness of the box culvert. The form is carried on a pallet assembly having members for accommodating lift structures of a fork life vehicle. The pallet assembly is a rectangular structure having a stepped pallet and upright guide members. The guide members cooperate with rails on lower portions of the form to locate the form on the pallet assembly. The pallet assembly and form surround a box core providing a box chamber for receiving the concrete mix forming a concrete box culvert.

REFERENCES:
patent: 975615 (1910-11-01), Hanneman
patent: 1374864 (1921-04-01), Rashkousky
patent: 1602036 (1926-10-01), Miller
patent: 1871919 (1932-08-01), Schubert
patent: 3099062 (1963-07-01), Bauer
patent: 3582034 (1971-06-01), Tsuzuki

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