Highway slipform

• US 3,354,801 A
• Filed: 06/17/1965
• Issued: 11/28/1967
• Est. Priority Date: 06/17/1965
• Status: Expired due to Term

• Current Assignee: Raymond A. Hanson
• Original Assignee: Raymond A. Hanson
• Inventors: Hanson, Raymond A.
• Application Number:
  US04/464,686
• Time in Patent Office: 894 Days
• US Class Current: 404/105
• CPC Class Codes: E01C 19/4873 Apparatus designed for railless operation

Claims

1. IN A SLIPFORM OF THE TYPE ADAPTED TO POUR A LINING OF CEMENTITIOUS MATERIAL OVER A SURFACE TRAVERSED THEREBY DURING FORWARD MOVEMENT OF THE SLIP FORM;

A MOBILE FRAMEWORK;

FIRST TRANSVERSE METERING MEANS EXTENDING ACROSS SAID FRAMEWORK (AT LEAST A PORTION OF) THE LOWER SURFACE OF SAID FIRST METERING MEANS BEING MOUNTED ON SAID FRAMEWORK FOR ELEVATIONAL MOTION RELATIVE TO SAID FRAMEWORK, SAID LOWER SURFACE BEING SPACED ABOVE THE SURFACE TO BE LINED;

SECOND METERING MEANS EXTENDING ACROSS SAID FRAMEWORK, SAID SECOND METERING MEANS BEING MOUNTED ON SAID FRAMEWORK REARWARDLY OF SAID FIRST METERING MEANS (AT LEAST A PORTION OF ) THE LOWER SURFACE OF SAID SECOND METERING MEANS BEING MOUNTED ON SAID FRAMEWORK FOR ELEVATIONAL MOTION RELATIVE TO SAID FRAMEWORK, SAID LOWER SURFACE OF SAID SECOND METERING MEANS BEING SPACED ABOVE THE SURFACE TO BE LINED AT A HEIGHT SUFFICIENTLY EQUAL TO THE SPACING OF SAID LOWER SURFACE OF SAID FIRST METERING MEANS;