Tevila for Can Opener

Does a can opener need tevila?

No. Since it does not touch food, it does not need tevila [and even though some times it touches the food a little, since one does not intend for it to touch it doesn’t matter].

חוט שני (טבילת כלים עמ’ מ), ספר טבילת כלים (כהן, פי”א סעי’ קעא) בשם הגר”ש ואזנר

Rabbi Shay Tahan