Method and means for treating timbers

Details Method and means for treating timbers Method and means for treating timbers

1978-08-24

1980-03-04

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Vacuum or reduced pressure utilized

118 50, 118 58, 118 64, 118404, 118405, 118421, 427440, B05D 312, B05D 118

Patent

active

041917952

ABSTRACT:
A method and apparatus for treating timbers, such as railroad ties and the like, which comprises at least one pressure sealed tube or pipe filled with the treating fluid normally utilized for treating timbers, and of a size for receiving the timbers in sequential end-to-end relation for longitudinal movement therethrough. The timbers are initially loaded into the treating pipe through one end thereof from a movable tube containing a single timber therein, with the single timber being ejected from the movable tube into the treating tube by a suitable ram member, such as a hydraulic piston. As timber after timber is introduced into the fluid filled treating pipe, each timber pushes the preceding timber longitudinally through the pipe and the timbers absorb the treating fluid during the longitudinal passage through the filled pipe. The timbers are sequentially removed from the opposite end of the filled pipe and are individually inserted into a second movable tube whereupon the treated timber is transferred into a vacuum chamber for drying of the timber. The treated and dried timbers are then discharged from the apparatus for storage.

REFERENCES:
patent: 3922397 (1975-11-01), Baymiller
patent: 4086056 (1978-04-01), Hanson

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