# US 2018/0022010 A1 · Molding unit for containers, equipped with fluid and pneumatic circuits coming out on an upper surface > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0022010 A1 - Document ID: US20180022010A1 - Status: Published application - Kind: A1 - Application number: 15/655,423 - Filed: 2017-07-20 - Published: 2018-01-25 - Earliest claimed: 2016-07-21 - Assignees: Sidel Participations - Applicants: Sidel Participations - Inventors: Marc LEROUX - Web page: https://patentgrep.com/patent/US20180022010A1 ## CPC - B29C 49/4815: {by means of movable mould parts} - B29C 49/06: Injection blow-moulding - B29C 49/20: of articles having inserts or reinforcements {; Handling of inserts or reinforcements} - B29C 49/4802: {with means for locally compressing part(s) of the parison in the main blowing cavity} - B29C 49/4823: {with incorporated heating or cooling means} - B29C 49/783: {blowing pressure} - B29C 2049/023: {using inherent heat of the preform, i.e. 1 step blow moulding} - B29C 2049/2086: {Means for verifying or keeping the position of the insert, e.g. sensors, or attachment on mould wall} - B29C 2049/4807: {by movable mould parts in the mould halves} - B29C 2049/4825: {for cooling moulds or mould parts (B29C2049/5889 takes precedence)} - B29K 2067/003: {PET, i.e. poylethylene terephthalate} - B29L 2031/7158: {Bottles} - 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) - B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS - B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES ## Abstract Disclosed is a molding unit for the forming of a container provided with a hollow recess toward the interior of the container, this forming unit including: a mold provided with a lateral wall defining a cavity having the impression of at least one part of the container and incorporating a fluid circuit for thermal regulation of the wall, which comes out on an upper surface of the mold; and a boxing device. The boxing device includes: an insert mounted in translation relative to the lateral wall; an actuator integral with the insert; and a pneumatic circuit for controlling the movement of the piston, which includes at least one primary duct for supplying the chamber, which comes out on the upper surface of the mold. ## Claims ### Claim 1 Molding unit (1) for the forming of a container (2), this molding unit (1) comprising: a mold (5) provided with a lateral wall (6) defining a cavity (7) having the impression of a part of the container (2); a fluid circuit (60) for thermal regulation of the wall (6), which includes passages drilled in it, this fluid circuit (60) for thermal regulation extending between a supply opening (62) and an evacuation opening (63); an insert (12) having a front surface (13) having the impression of a local part of the container (2), movable between a retracted position and a deployed position; an actuator (16) integral with the insert (12) to move it from its retracted position to its deployed position and vice versa; a pneumatic circuit (45) for controlling the actuator (16); wherein: the fluid circuit (60) for thermal regulation of the wall (6) comes out, by the supply opening (62) and by the evacuation opening (63), on an upper surface (48) of the mold; the pneumatic circuit for control comprises at least one primary duct (46) drilled in the wall (6) of the mold (5) and that comes out, by an upstream end (47), on the upper surface (48) of the mold (5). ### Claim 2 (depends on 1) Molding unit (1) according to claim 1, further comprising a fluid connector (64) mounted on the upper surface (48) of the mold (5), this fluid connector (64) including a fluid inlet (65) in communication with the supply opening (62) and a fluid outlet (66) in communication with the evacuation opening (63). ### Claim 3 (depends on 2) Molding unit (1) according to claim 2, wherein the mold (5) comprises a groove (67) that is made in the upper surface (48), which extends from an outer end (68) in line with the evacuation opening (63) to an inner end (69) in the vicinity of the supply opening (62). ### Claim 4 (depends on 1) Molding unit (1) according to claim 1, further comprising a pneumatic connector (53) mounted on the upper wall (48) of the mold (5), and which comprises a primary inlet (54) in communication with the upstream end (47) of the primary duct (46). ### Claim 5 (depends on 4) Molding unit (1) according to claim 4, wherein the pneumatic circuit (45) for controlling the actuator (16) comprises a secondary duct (50) drilled in the wall (6) of the mold (5) and that comes out, by an upstream end (51), on the upper surface (48) of the mold (5). ### Claim 6 (depends on 5) Molding unit (1) according to claim 5, taken in combination, characterized in that the pneumatic connector (53) comprises a secondary inlet (56) in communication with the upstream end (51) of the secondary duct (50). ### Claim 7 (depends on 6) Molding unit (1) according to claim 6, wherein the primary inlet (54) of the pneumatic connector (53) is connected to a fluid source at high pressure, and the secondary inlet (56) is connected to a fluid source at comparatively lower pressure. ### Claim 8 (depends on 7) Molding unit (1) according to claim 7, wherein the high pressure is greater than 20 bars. ### Claim 9 (depends on 7) Molding unit (1) according to claim 7, wherein the lower pressure is less than or equal to 12 bars. ### Claim 10 (depends on 4) Molding unit (1) according to claim 4, wherein it comprises a cover (59) mounted on the upper surface (48) of the mold (5) and interposed between it and each connector (53, 64), this cover (59) being provided with through holes (70, 71, 72, 73) in communication with each connector (53, 64) with its respective circuit (45, 60). ### Claim 11 (depends on 2) Molding unit (1) according to claim 2, further comprising a pneumatic connector (53) mounted on the upper wall (48) of the mold (5), and which comprises a primary inlet (54) in communication with the upstream end (47) of the primary duct (46). ### Claim 12 (depends on 3) Molding unit (1) according to claim 3, further comprising a pneumatic connector (53) mounted on the upper wall (48) of the mold (5), and which comprises a primary inlet (54) in communication with the upstream end (47) of the primary duct (46). ### Claim 13 (depends on 1) Molding unit (1) according to claim 1, wherein the pneumatic circuit (45) for controlling the actuator (16) comprises a secondary duct (50) drilled in the wall (6) of the mold (5) and that comes out, by an upstream end (51), on the upper surface (48) of the mold (5). ### Claim 14 (depends on 2) Molding unit (1) according to claim 2, wherein the pneumatic circuit (45) for controlling the actuator (16) comprises a secondary duct (50) drilled in the wall (6) of the mold (5) and that comes out, by an upstream end (51), on the upper surface (48) of the mold (5). ### Claim 15 (depends on 3) Molding unit (1) according to claim 3, wherein the pneumatic circuit (45) for controlling the actuator (16) comprises a secondary duct (50) drilled in the wall (6) of the mold (5) and that comes out, by an upstream end (51), on the upper surface (48) of the mold (5). ### Claim 16 (depends on 8) Molding unit (1) according to claim 8, wherein the lower pressure is less than or equal to 12 bars. ### Claim 17 (depends on 5) Molding unit (1) according to claim 5, wherein it comprises a cover (59) mounted on the upper surface (48) of the mold (5) and interposed between it and each connector (53, 64), this cover (59) being provided with through holes (70, 71, 72, 73) in communication with each connector (53, 64) with its respective circuit (45, 60). ### Claim 18 (depends on 6) Molding unit (1) according to claim 6, wherein it comprises a cover (59) mounted on the upper surface (48) of the mold (5) and interposed between it and each connector (53, 64), this cover (59) being provided with through holes (70, 71, 72, 73) in communication with each connector (53, 64) with its respective circuit (45, 60). ### Claim 19 (depends on 7) Molding unit (1) according to claim 7, wherein it comprises a cover (59) mounted on the upper surface (48) of the mold (5) and interposed between it and each connector (53, 64), this cover (59) being provided with through holes (70, 71, 72, 73) in communication with each connector (53, 64) with its respective circuit (45, 60). ### Claim 20 (depends on 8) Molding unit (1) according to claim 8, wherein it comprises a cover (59) mounted on the upper surface (48) of the mold (5) and interposed between it and each connector (53, 64), this cover (59) being provided with through holes (70, 71, 72, 73) in communication with each connector (53, 64) with its respective circuit (45, 60).