# US 9,434,116 B2 · Process for manufacturing composite material products, as well as products manufactured with this process > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,434,116 B2 - Document ID: US9434116B2 - Status: Granted - Kind: B2 - Application number: 13/980,349 - Filed: 2012-02-12 - Published: 2013-12-26 - Granted: 2016-09-06 - Earliest claimed: 2011-02-21 - Assignees: Automobile Lamborghini S.P.A. - Applicants: Attilio Masini; Luigi De Sario - Inventors: Attilio Masini; Luigi De Sario - Web page: https://patentgrep.com/patent/US9434116B2 ## CPC - B29D 99/001: {Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings (articles with hollow walls B29D24/00)} - B29C 70/86: Incorporated in coherent impregnated reinforcing layers, {e.g. by winding} - B29D 99/0021: {provided with plain or filled structures, e.g. cores, placed between two or more plates or sheets, e.g. in a matrix} - B62D 25/06: Fixed roofs (non-fixed roofs or like shelters B60J7/00; roof liners B60R13/02; insulating elements B60R13/08) - B29L 2001/00: Articles provided with screw threads - Y10T 428/24322: Composite web or sheet - B29D: PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE (making granules B29B9/00; making preforms B29B11/00) - 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) - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) - B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract Process for manufacturing composite material products is disclosed having at least the following operating steps: molding at least one plastic material spacer having one or more inserts; molding at least one composite material product having at least the spacer; and mechanically working at least one of the inserts for forming at least one threaded hole therein. The present invention also relates to the products manufactured with this process. ## Claims ### Claim 1 Process for manufacturing composite material products comprising: molding at least one plastic material spacer comprising one or more inserts; molding at least one composite material product comprising at least said spacer; and mechanically working at least one of the inserts to form at least one threaded hole therein after the molding of the at least one composite material product; wherein the inserts are molded with the spacer in one or more auxuliary molds, and wherein said auxuliary molds are provided with protrusions or seats for keeping the inserts in a given position. ### Claim 2 (depends on 1) Process according to claim 1 wherein during the molding of the spacer the inserts contact at least one functional surface of the auxiliary molds. ### Claim 3 (depends on 1) Process according to claim 1, wherein during the molding of the spacer the auxiliary molds are heated for curing the plastic material and are rotated during their heating to evenly distribute the plastic material in the auxiliary molds. ### Claim 4 (depends on 1) Process according to claim 1, wherein the inserts are kept by friction in the given position on the protrusions or in the seats. ### Claim 5 (depends on 1) Process according to claim 1, wherein said protrusions are pins suitable for being inserted into corresponding holes made in an insert. ### Claim 6 (depends on 1) Process according to claim 1, wherein the insert provided with the threaded hole is included in the composite material product. ### Claim 7 (depends on 1) Process according to claim 1, wherein a wall of the composite material product covers the insert provided with the threaded hole. ### Claim 8 (depends on 7) Process according to claim 7, wherein said wall of the composite material product is perforated during said mechanical working of the insert for forming the threaded hole therein, so that the resulting hole made in the wall of the composite material product is aligned with and has the same diameter of the threaded hole of the insert. ### Claim 9 (depends on 1) Process according to claim 1, wherein said plastic material is a material which expands during the cure. ### Claim 10 (depends on 9) Process according to claim 9, wherein said plastic material is epoxy foam.