Method and apparatus for forming lumber boards from varying lengths of short waste units

Claim 1

A CONTINUOUS STRIP LUMBER FORMING MACHINE FOR FORMING BOARDS OF COMMERICIAL LENGTH IN A CONTINUOUS OPERATION FROM PREPARED RELATIVELY SHORT WASTE UNITS OF LUMBER COMPRISING A CONVEYOR INFEED MAKE-UP TABLE ON WHICH RELATIVELY SHORT PIECES OFEND MATCHED LUMBER WITH WET GLUE APPLIED TO SAID END PORTIONS MAY BE PARTIALLY ASSEMBLED INTO A CONTINUOUS STRIP OF LUMBER; DRIVEN INFEED MEANS; OUTFEED MEANS EXERTINGA CONTROLLED BACK PRESSURE ON THAT PORTION OF SAID LUBER STRIP DISPOSED INTERMEDIATE THE SAID INFEED MEANS WHEREBY SAID ASSEMBLED LUMBER UNITS ARE SUBJECTED TO END PRESSURE WHICH FURTHER HOLDINGLY PRESSES THE ENDS TOGETHER; DRIVEN EXUDED GLUE PRETREATING HOT ROLLS DISPOSED IN LINE OF FEED ADJACENT SAID INFEED MEANS, THE SURFACE OF SAID ROLLS CONTACTING SAID LUMBER AND ROTATING COUNTER TO THE DIRECTION OF MOVEMENT OF SAID LUMBER STROP WHEREBY SAID WET EXUDED GLUE ON THE SURFACE OF THE LUMBER IS SPREAD INTO A THIN FILM IN PART PRETREATED AND IN PART REMOVED BY SAID ROLLERS ON WHICH SAID GLUE IS ALSO DRIED; ELECTRIC HIGH FREQUENCY GLUE SETTING MEANS DISPOSED IN LINE OF FEED AFTER SAID HOT ROLLS.