The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 1989
Filed:
Sep. 26, 1986
Johan J Hotma, Valko, FI;
Rauma-Repola Oy, , FI;
Abstract
A board press consisting of a plurality of press plates placed one above the other and which are pressed together with the aid of pressure cylinders when pressing boards, and said press plates being interconnected with a simultaneous apparatus which maintains equal distances between press plates during movement of the press plates. The simultaneous apparatus consists of lever units at a plurality of points on both longitudinal margins of the press plates, which have been interconnected to constitute one simultaneous unit, with the aid of a rod pivotally attached to each press plate and a lever arm on the other end of said rod and a transversal turning shaft common to each pair of lever units and control rods longitudinal to the apparatus.