Patent EP0207778A2 successfully refreshed from Google Patents.
EP0207778A2
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EP
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Gathering machine
Assignee: Portals Engineering Ltd
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Filing: 1986-07-01
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Granted: —
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Expires: 2006-07-01
Abstract
Abstract A gathering machine for book binding separates each sheet from the bottom of its hopper by a vertically pivotable suction head. The suction is induced by a venturi rather than by vacuum.
Inventors
- 👤 Philip Birtwhistle
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 22:58
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/08; B65H3/14; B65H3/0808; B65H3/085; B65H3/0858; B65H3/0866; B65H39/00; B65H39/02; B65H39/04; B65H39/043; B65H39/055; B65H2301/00; B65H2301/30; B65H2301/32; B65H2301/321
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
A gathering machine comprising a moving element gathering a sheet successively from a series of hoppers each sheet being separated from the bottom of its stack in the hopper by a suction head, characterised in that each such head has a venturi suction source.
Claim 2
Dependent Claim
44 words
A gathering machine comprising a moving element gathering a sheet successively from a series of hoppers each sheet being separated from the bottom of its stack in the hopper by a suction head, characterised in that each such head has a venturi suction source.
Claim 3
Dependent Claim
31 words
A gathering machine according to Claim 1 wherein the suction source is a widening venturi passage connected to an air line with at least one annular opening to a suction chamber.
Claim 4
Dependent Claim
69 words
A gathering machine according to Claim 1 wherein the means for separating sheets successively from the stack comprise a suction head pivotally mounted to engage the bottom sheet and pull it downwardly, a driven roller to complete detachment of the sheet and propel it to the other side of the machine for collation and a pivotally mounted pressure roller to form a driving nip with the driven roller. I
References Cited (Backward Citations)
No citation records indexed.
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