Papermachine deckle means

Details Papermachine deckle means Papermachine deckle means

1990-01-23

1990-11-06

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162354, D21F 156

Patent

active

049683870

ABSTRACT:
The lateral edges of a papermachine forming fabric pond are contained by a deckle board having a bottom edge positioned above the forming fabric upper surface elements but below the fabric supported stock pond surface. Lateral edges of the forming fabric run under the deckle board and upon an edge support beam within an elongated fluid channel between the outside surfaces of the deckle board structure and the inside surfaces of the edge support beam. Fluid flow within the elongated fluid channel, preferably independent of the papermachine headbox slice opening, supplies the elongated fluid channel volume for a fluid barrier to pond stock loss under the deckle board bottom edge.

REFERENCES:
patent: 3075579 (1963-01-01), Winterburn
patent: 3361620 (1968-01-01), Gedemer
patent: 3563854 (1971-02-01), Nisser et al.
patent: 3607624 (1971-09-01), Moody et al.
patent: 3928124 (1975-12-01), Hansen
patent: 4738751 (1988-04-01), Newcombe

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