# US 10,478,995 B2 · Pressing device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,478,995 B2 - Document ID: US10478995B2 - Status: Granted - Kind: B2 - Application number: 16/075,788 - Filed: 2017-03-02 - Published: 2019-02-28 - Granted: 2019-11-19 - Earliest claimed: 2016-03-04 - Assignees: System S.P.A. - Applicants: System S.P.A. - Inventors: Franco Stefani; Franco Gozzi - Web page: https://patentgrep.com/patent/US10478995B2 ## CPC - B28B 3/024: {the pressure on the material being transmitted through flexible or resilient wall parts, e.g. flexible cushions on the ramming surface, resilient wall parts pressing as a result of deformation caused by ram pressure} - B28B 5/021: {the shaped articles being of definite length} - B30B 5/06: co-operating with another endless band - B28B 5/027: {the moulding surfaces being of the indefinite length type, e.g. belts, and being continuously fed (feeding B28B13/02)} - B29C 43/228: {using endless belts feeding the material between non-rotating pressure members, e.g. vibrating pressure members} - B29C 2043/483: {cooperating with a second endless belt, i.e. double band presses} - B28B: SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER (foundry moulding B22C; working stone or stone-like material B28D; shaping of substances in a plastic state, in general B29C; making layered products not composed wholly of these substances B32B) - B30B: PRESSES IN GENERAL (producing ultra-high pressure or ultra-high pressure and high temperature to effect modifications of a substance, e.g. for making artificial diamonds B01J3/00 ){(compressing means for refuse receptacles B65F1/1405)} - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) ## Abstract A pressing device, comprising: a lower presser (10), provided with a pressing surface (10a) facing upwards; an upper presser (11), provided with a pressing surface (11a), facing downwards; at least one of the two pressers is movable towards and away relative to the other in order to perform pressing of a layer (L) of a ceramic material; a pressing space (V) delimited inferiorly and superiorly by the lower presser (10) and by the upper presser (11); a lower belt (2), movable along a forward direction (Y) and comprising an active portion (3) arranged at least partially between the upper presser (11) and the lower presser (10); an upper belt (4), movable along the forward direction (Y) and comprising an active portion (5) arranged at least partially between the lower belt (2) and the upper presser (11); two side barriers (13,14,15), arranged to laterally contain the layer (L) within the pressing space (V). ## Claims ### Claim 1 A pressing device for pressing ceramic particles into a ceramic item, the pressing device comprising: a lower presser (10), provided with a pressing surface (10a) facing upwards; an upper presser (11), provided with a pressing surface (11a) facing downwards; at least one of the two pressers is movable towards and away relative to the other in order to perform pressing of a layer (L) of ceramic particles; a pressing space (V), which is delimited inferiorly and superiorly by the lower presser (10) and the upper presser (11); a lower belt (2), movable along a forward direction (Y) and comprising an active portion (3) which is disposed at least partially between the upper presser (11) and the lower presser (10); an upper belt (4), movable along the forward direction (Y) and comprising an active portion (5), which is disposed at least partially between the lower belt (2) and the upper presser (11); wherein the pressing device is configured to regularly cycle between a closed position and an open position; in the closed position one or both of the two pressers are moved towards the other so that a portion of the layer (L) of ceramic particles is pressed between (a) the active portion (5) of the upper belt (4) and (b) the active portion (3) of the lower belt (2); in the open position one or both of the two pressers are moved away from the other so that the layer (L) of ceramic particles can be borne by the active portion (3) of the lower belt (2) and carried in the forward direction; wherein the pressing device comprises side barriers (13,14,15) which are arranged so that the layer (L) is laterally sealed between the active portion (3) of the lower belt (2) and the active portion (5) of the upper belt (4) within the pressing space (V) in the closed position but not in the open position. ### Claim 2 (depends on 1) A pressing device according to claim 1, wherein the side barriers (13,14,15) comprise a pair of lower elements (13), which are solidly constrained with the lower belt (2) and overall oriented in a direction parallel to the forward direction (Y). ### Claim 3 (depends on 2) A pressing device according to claim 2, wherein the lower elements (13) comprise an envelope (13a), which is associated with the lower belt (2) and an inner body (13b) contained within the envelope (13a). ### Claim 4 (depends on 2) A pressing device according to claim 2, comprising two stacks (11b) aligned with a respective lower element (13) on a vertical plane. ### Claim 5 (depends on 1) A pressing device according to claim 1, wherein the side barriers (13,14,15) comprise a pair of upper elements (14) being solidly constrained with the upper presser (11) and overall oriented in a direction parallel to the forward direction (Y). ### Claim 6 (depends on 5) A pressing device according to claim 5, wherein the upper elements (14) comprise an envelope (14a), which is solidly constrained with the upper presser (11) and an inner body (14b) contained within the envelope (14a). ### Claim 7 (depends on 1) A pressing device according to claim 1, wherein the side barriers (13,14,15) comprise a pair of upper elements (15) which are so structured as to take on an inactive configuration, wherein they exhibit a lower volume which is lower than a reference volume, and an active configuration, wherein they exhibit a greater volume which is greater than said reference volume. ### Claim 8 (depends on 7) A pressing device according to claim 7, wherein the upper elements (15) are inflatable in order to assume the active configuration. ### Claim 9 (depends on 1) A pressing device according to claim 1, wherein the side barriers (13,14,15) are so structured as to take on an inactive configuration, in which they exhibit a lower volume which is lower than a reference volume, and an active configuration, in which they exhibit a greater volume which is greater than said reference volume. ### Claim 10 (depends on 9) A pressing device according to claim 9, wherein the side barriers (13,14,15) are inflatable in order to take on the active configuration. ### Claim 11 (depends on 1) A pressing device according to claim 1, wherein the side barriers (13,14,15) are located within an area of the pressers (10,11) inside which the pressers are able to exert pressure.