Deckle

Wooden frame for papermaking

A deckle is a removable wooden frame or "fence" used in manual papermaking. The deckle is placed into a mould to keep the paper pulp slurry within the bounds of the wire facing on a mould, and to control the size of the sheet produced. The mould and deckle is dipped into a vat of water and paper pulp that has been beaten (fibrillated). The pulp is quickly scooped out of the vat and the mould and deckle is shaken as excess water is drained off. The deckle is then removed and the newly formed sheet is "couched" (set) onto felts. Fiber that has been beaten longer generally requires more time to drain. If the paper slurry gets under, or if long fibers settles on top of the deckle, it will cause a more irregular edge.

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