Patent ID: 11925889
Assignee: nan
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 2:
3. The spliceable and foldable filter element device as claimed in claim 2, wherein the folding layer comprises at least three foldable grooves comprising a first vertical groove, a second vertical groove, and a third vertical groove, each of which is foldable; the first vertical groove and the third vertical groove are respectively disposed at two ends of the second vertical groove; the at least three clamping teeth at least comprise a first clamping tooth, a second clamping tooth, and a third clamping tooth; the first clamping tooth, the second clamping tooth, and the third clamping tooth are disposed to respectively correspond to the first vertical groove, the second vertical groove and the third vertical groove in position; and the first clamping tooth, the second clamping tooth, and the third clamping teeth are respectively clamped on the first vertical groove, the second vertical groove, and the third vertical groove.