Railways – Amusement – Chutes
Patent
1980-05-28
1982-07-06
Bertsch, Richard A.
Railways
Amusement
Chutes
521697, 272 565R, 405 1, A63G 2118
Patent
active
043377041
ABSTRACT:
A turbulent waterway, having boats guided in a trough made from bargrating, individual plates of which are connected with each other, the side of the trough being covered with a dense synthetic plastic film.
REFERENCES:
patent: 3853067 (1974-12-01), Bacon
patent: 4194733 (1980-03-01), Whitehouse, Jr.
Sanitare Technik in Bild--Oct. 1956.
Becker Klaus
Cittrich Jurgen
Kaufmann Karl E.
Bertsch Richard A.
Mannesmann DeMag A.G.
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