Wall repair device

Claim 1

A PATCHING INSERT FOR REPAIRING HOLOW BREAKS IN PLASTER-TYPE WALLS AND THE LIKE AND COMPRISING AN OPENENDED GENERALLY BOX-LIKE MEMBER OF A SIZE TO BE INSERTED IN THE BREAK, SAID MEMBER INCLUDING AT THE OTHER END THEREOF A BASE PLATE ADAPTED TO BE LOCATED AT THE REAR FACE OF THE WALL HAVING THE BREAK WHEN SAID MEMBER IS INSERTED IN THE BREAK, A SIDE WALL PROJECTING FROM THE BASE PLATE AND FORMING A TUBULAR MEMBER AND DEFINING AN OPEN-ENDED CAVITY INTO WHICH THE PATCHING MATERIAL IS TO BE PRESSED, SAID SIDE WALL TERMINATING OPPOSITE THE BASE PLATE IN A RIM TO BE LOCATED AT THE FRONT FACE OF THE WALL HAVING THE BREAK, ELONGATED TONGUES OF BENDABLE MATERIAL RADIATING FROM SAID RIM, SAID TONGUES BEING BENDABLE TO EXTEND AT SUBSTANTIALLY RIGHT ANGLES TO SAID RIM AND FOR ENGAGEMENT WITH THE FRONT OF THE WALL HAVING THE BREAK TO BE REPAIRED, AND SAID SIDE WALL HAVING UNOBSTRUCTED OPENINGS FOR ENABLING PLASTER TO BE EXTRUDED THERETHROUGH FOR KEYING TO KEY AROUND THE REAR SURFACE OF THE WALL HAVING THE BREAK THEREIN.