What was an immediate cause of the invention of a tape dispenser with a serrated cutting edge?

Richard Drew used crepe paper as backing for masking tape.
Waterproof cellophane was developed.
The tape was extremely challenging to get off the roll.
The company was building a laboratory for quality control.

1 answer

The immediate cause of the invention of a tape dispenser with a serrated cutting edge was that the tape was extremely challenging to get off the roll. This difficulty highlighted the need for a convenient way to cut the tape cleanly and easily, leading to the development of the dispenser with a serrated edge.