B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 33/34 (2006.01) B29C 33/36 (2006.01) B29C 49/00 (2006.01) B29C 53/22 (2006.01) B29C 53/30 (2006.01) B29D 23/00 (2006.01)
Patent
CA 2568368
A molding machine including a plurality of carriages for carrying mold blocks in an axial direction. The carriages each including wheels on opposite sides of the carriage. Two wings are secured to the carriages for pivoting about an axis extending in the axial direction whereby in one pivotal position the mold blocks are together in a molding position and in another pivotal position the mold blocks are separated in a releasing position. Each of the wings being adapted to carry one of the mold blocks and having a flat axially extending surface. A guide wheel is provided on each of the wings. A carriage guide track guides the carriages about an endless path including a molding section extending in the axial direction. A wing guide track engages the wing guide wheels and places the wings in the molding position when the carriage is in the molding section. A first set of track rollers along said molding section engages the flat axially extending surface of one of the wings of carriages in the molding section along a first rolling plane extending in the axial direction. A second set of track rollers along the molding section engages the flat axially extending surface of the other of the wings of carriages in the molding section along a second rolling plane extending in the axial direction.
Berns John S.
Dickhut Heinrich B.
Mcfadden Fincham
Quality Culvert Inc.
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