# US 11,297,946 B2 · Composite structure for furniture > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,297,946 B2 - Document ID: US11297946B2 - Status: Granted - Kind: B2 - Application number: 16/347,976 - Filed: 2017-02-23 - Published: 2019-09-26 - Granted: 2022-04-12 - Earliest claimed: 2017-02-23 - Assignees: New-Tec Integration (Xiamen) Co., Ltd. - Applicants: New-Tec Integration (Xiamen) Co., Ltd. - Inventors: Luhao Leng - Web page: https://patentgrep.com/patent/US11297946B2 ## CPC - A47B 96/206: {with laminates comprising planar, continuous or separate layers} - A47B 13/08: Table tops; Rims therefor (not restricted to table tops A47B95/04) - A47C 7/16: Seats made of wooden, plastics, or metal sheet material; Panel seats - A47C 7/40: for the back - B32B 3/02: characterised by features of form at particular places, e.g. in edge regions {(non-uniform thickness B32B3/263)} - B32B 3/06: for securing layers together; for attaching the product to another member, e.g. to a support {, or to another product, e.g. groove/tongue, interlocking} - B32B 3/08: characterised by added members at particular parts {(layer formed of separate pieces of material which are juxtaposed side-by-side B32B3/14, B32B3/18)} - B32B 3/30: characterised by a layer formed with recesses or projections, e.g. {hollows, grooves, protuberances, ribs (apertured layer B32B3/266; layer with cavities or internal voids B32B3/26)} - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - B32B 15/04: comprising metal as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a bituminous or tarry layer B32B11/08; next to a water-setting substance layer B32B13/06; next to a glass layer B32B17/061; next to a cellulosic plastic layer B32B23/042)} - B32B 15/043: {of metal (B32B15/01 takes precedence)} - B32B 15/08: of synthetic resin - B32B 15/18: comprising iron or steel {(B32B15/011, B32B15/012 and B32B15/013 take precedence)} - A47B 96/201: {Edge features} - B32B 2250/03: 3 layers - B32B 2479/00: Furniture - A47B: TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE (furniture jointing F16B) - A47C: CHAIRS; SOFAS; BEDS - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ## Abstract A chair (10) has a composite structure (14) attached to a frame (12). The composite structure includes a plastic plate (16) having an edge (22), and a metal plate (18) having a peripheral crimp (21) including a gap (20), with the edge of the plastic plate inserted into the gap and with the peripheral crimp clamped onto the edge of the plastic plate, to attach the plastic plate onto the metal plate. The composite structure provides a seating surface of the chair. The composite structure maximizes the advantages of both the plastic plate and the metal plate, with each plate compensating for the disadvantages of the other. ## Claims ### Claim 1 A chair comprising: a frame; a composite structure attached to the frame; the composite structure including a plastic plate having an edge, and a metal plate having an edge; the edge of the metal plate extending beyond the edge of the plastic plate; the edge of the metal plate having a curved section which curves to the outside of the seating surface; and the composite structure providing a seating surface of the chair. ### Claim 2 (depends on 1) The chair of claim 1 wherein an end of the curved section touches the edge of the plastic plate. ### Claim 3 (depends on 1) The chair of claim 1 wherein an end of the curved section is clamped into the edge of the plastic plate. ### Claim 4 (depends on 1) The chair of claim 1 wherein the plastic plate includes surface texture imitating natural wood or stone. ### Claim 5 (depends on 1) The chair of claim 1 wherein the metal plate is formed via stretching and curling or bending. ### Claim 6 (depends on 1) The chair of claim 1 wherein the composite structure is round. ### Claim 7 (depends on 1) The chair of claim 1 wherein the curved section subtends an arc of greater than 180 degrees. ### Claim 8 (depends on 1) The chair of claim 1 wherein the curved section subtends an arc of greater than 270 degrees. ### Claim 9 (depends on 1) The chair of claim 1 wherein the composite structure is attached to the frame by a locking, riveting, or snap mechanism. ### Claim 10 (depends on 1) The chair of claim 1 further including a straight section extending from the curved section and an end of the straight section touches the edge of the plastic plate. ### Claim 11 A chair comprising: a frame; a composite structure attached to the frame; the composite structure including a plastic plate having an edge, and a metal plate having an edge; the edge of the metal plate extending beyond the edge of the plastic plate; the edge of the metal plate having a curved section; the composite structure providing a seating surface of the chair; and a first straight section joined to the curved section, and a second straight section joined to the first straight section and folded over parallel to the first straight section. ### Claim 12 (depends on 1) The chair of claim 1 wherein the edge of the metal plate has no straight section and an end of the curved section touches the edge of the plastic plate. ### Claim 13 Furniture comprising: a frame; a composite structure attached to the frame; the composite structure including a plastic plate having an edge, and a metal plate having an edge extending past the edge of the plastic plate; the edge of the metal plate having a curved section curving to the outside of the composite structure; a gap between an end of the curved section and the edge of the metal plate; the edge of the plastic plate in the gap; and the end of the curved section touching the edge of the plastic plate. ### Claim 14 (depends on 13) The furniture of claim 13 wherein the end of the curved section is partially forced into the lower edge of the plastic plate. ### Claim 15 (depends on 13) The furniture of claim 13 wherein a lower end of the metal plate has a second straight section folded flat against a first straight section adjoining a U-shaped radius section, and wherein the second straight section is clamped against the edge of the plastic plate. ### Claim 16 A chair comprising: a frame; a composite structure attached to the frame; the composite structure including a plastic plate having an edge, and a metal plate having a peripheral crimp including a curved section, a first straight section folded parallel to a second straight section, and a gap, with the edge of the plastic plate inserted into the gap and with the peripheral crimp clamped onto the edge of the plastic plate; and the composite structure providing a seating surface of the chair. ### Claim 17 (depends on 16) The chair of claim 16 wherein the composite structure is attached to the frame by a locking, riveting, or snap mechanism. ### Claim 18 (depends on 16) The furniture of claim 16 wherein the end of the curved section is partially forced into the lower the edge of the plastic plate.