Protective collar for squeezable tubes

Claim 1

A COLLAR FOR A TUBE HAVING AN ANNULAR DISPENSING END WITH AN OUTER CIRCULAR PERIPHERY OF FIXED DIAMETER AND A TUBULAR WALL EXTENDING FROM SAID PERIPHERY TO A FLATTENED END OF THE TUBE, THE TUBULAR WALL BEING CAPABLE OF BEING SQUEEZED MANUALLY TO DISPENSE THE CONTENTS OF THE TUBE THROUGH SAID DISPENSING END, THE COLLAR COMPRISING A GENERALLY CYLINDRICAL BODY THAT IS RELATIVELY UNDEFORMABLE AS COMPARED TO SAID TUBULAR WALL AND THAT HAS AN OPEN END WHEREBY THE COLLAR IS SLIDABLE OVER SAID PERIPHERY AND TUBULAR WALL TO ENCOMPASS A PORTION OF THE TUBULAR WALL WITHIN THE COLLAR, THE BODY HAVING AN INTERNAL SURFACE THAT CLEARS SAID PERIPHERY AND TUBULAR WALL SAVE FOR CIRCUMFERENTIALLY SPACED APART LANDS RAISED ON SAID INTERNAL SURFACE ADJACENT AT LEAST THE OTHER END OF THE BODY WHICH LANDS ARE SNUGLY ENGAGEABLE FRICTIONALLY WITH SAID PERIPHERY OF THE DISPENSING END TO RESIST DISPLACEMENT OF THE COLLAR RELATIVE TO THE TUBE WHEREBY THE COLLAR CAN THEN BE GRIPPED MANUALLY TO PRESS THE DISPENSING END OF THE TUBE AGAINST A SURFACE ON WHICH THE CONTENTS OF THE TUBE ARE TO BE DISPENSED WITHOUT FORCING THE COLLAR LONGITUDINALLY OFF THE TUBE, THE COLLAR BEING SUFFICIENTLY STIFF TO PROTECT THE PORTION OF THE TUBULAR WALL THAT IS ENCOMPASSED BY THE COLLAR AND PREVENT SUBSTANTIAL SQUEEZING THEREOF.