Core segment for concrete forming apparatus

Static molds – Uniting preform with molding material – Including means other than mold surface to support preform

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Details

249 10, 249 93, 249178, 249184, 249192, 425441, B28B 730

Patent

active

046181229

ABSTRACT:
An interchangeable core segment for mould equipment for concrete parts includes a wall portion comprising the apertures and strengthened on its inside face by reinforcing ribs rigid thereon and extending transversely to the plane of the wall portion and over the entire width thereof. The reinforcing ribs are immediately adjacent the top edge or bottom edge of the associated aperture and are at the same level and have on their respective upper and under sides a plane supporting face for a climbing element which has to be placed thereon in order to be cemented into position. The clamping devices which firmly grip the climbing elements placed on them from above or below are disposed on a common clamping frame which is guided for movement on the wall portion with lateral and rear guide means. For each aperture, the clamping devices have facing plates which are pressed against the back of the wall portion, entirely and tightly sealing the aperture. At the same time, upon relative displacement between clamping frame and wall portion, they constitute an additional support and guidance for the clamping frame. The guide means of the clamping frame are adjustable.

REFERENCES:
patent: 889091 (1908-05-01), Ballinger
patent: 1018072 (1912-02-01), Neeley
patent: 1535023 (1925-04-01), Kelley
patent: 2193798 (1959-11-01), Breguet
patent: 2680276 (1954-06-01), Filangeri
patent: 3142882 (1964-08-01), Lovers
patent: 3345716 (1967-10-01), Uden
patent: 3729165 (1973-04-01), Trimble
patent: 3957409 (1976-05-01), Grosch

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