# US 10,308,150 B2 · Seat pan and seat > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,308,150 B2 - Document ID: US10308150B2 - Status: Granted - Kind: B2 - Application number: 15/543,869 - Filed: 2016-01-14 - Published: 2018-01-11 - Granted: 2019-06-04 - Earliest claimed: 2015-01-16 - Assignees: BASF SE - Applicants: BASF SE - Inventors: HeeWon Seo; Martin Baumert; Tsung-Chieh Cheng; Sangcheol Jun; Daewoo Lee; Sunghyun Kang - Web page: https://patentgrep.com/patent/US10308150B2 ## CPC - B60N 2/68: Seat frames - A47C 7/029: {of non-adjustable shape adapted to a user contour or ergonomic seating positions} - A61G 5/122: {for the back} - B60N 2/38: specially constructed for use on tractors or like off-road vehicles - B60N 2/646: {shape of the cushion} - B60N 2002/684: {the back rest being mounted or joined with an easy attachment system to the seat} - B60N 2205/30: Seat or seat parts characterised by comprising plural parts or pieces - B60N: SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR - A47C: CHAIRS; SOFAS; BEDS - A61G: TRANSPORT, PERSONAL CONVEYANCES OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS (appliances for aiding patients or disabled persons to walk A61H3/00); OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES (embalming corpses A01N1/00) ## Abstract The invention discloses a seat pan (20), being formed from a first thermoplastic composite material into a one-piece pan, the seat pan (20) having a weight loading portion (201), wherein at least one slot (2010) is provided in the area of the weight loading portion (201) of the seat pan (20), and covering strips (2012) are formed by overmolding on the side edges of straps (2011) separated by the slot (2010) and extending along at least a portion of the circumference of the slot (2010) so as to reinforce the straps (2011), the covering strips (2012) being made of a second thermoplastic composite material. Furthermore, the invention discloses a seat (1) comprising the above seat pan (20). ## Claims ### Claim 1 A seat pan being formed from a first thermoplastic composite material into a one-piece pan, the seat pan having a weight loading portion , wherein at least one slot is provided in the area of the weight loading portion of the seat pan, and covering strips are formed by overmolding onto the side edges of straps separated by the slot and extending along at least a portion of the circumference of the slot so as to reinforce the straps , the covering strips being made of a second thermoplastic composite material. ### Claim 2 (depends on 1) The seat pan according to claim 1, wherein at least one wave-shaped wrinkle comprising at least one of a groove and a protrusion is provided on the straps. ### Claim 3 (depends on 2) The seat pan according to claim 2, wherein the at least one of the groove and the protrusion extend along the left-and-right direction of the seat pan. ### Claim 4 (depends on 2) The seat pan according to claim 2, wherein the front and rear ends of the weight loading portion of the seat pan are provided with the wave-shaped wrinkles. ### Claim 5 (depends on 4) The seat pan according to claim 4, wherein as compared with the wave-shaped wrinkles in the rear end of the weight loading portion of the seat pan, the wave-shaped wrinkles in the front end of the weight loading portion of the seat pan is formed in higher density. ### Claim 6 (depends on 1) The seat pan according to claim 1, wherein the at least one slot extends in the front-and-rear direction of the seat pan. ### Claim 7 (depends on 1) The seat pan according to claim 1, wherein the top surface of the covering strip is flush with the top surface of corresponding strap. ### Claim 8 (depends on 1) The seat pan according to claim 1, wherein the covering strip has an L-shaped cross section. ### Claim 9 (depends on 1) The seat pan according to claim 1, wherein the number of the slots is 3 to 6. ### Claim 10 (depends on 1) The seat pan according to claim 1, wherein the at least one slot extends to the rear side portion of the seat pan. ### Claim 11 (depends on 2) The seat pan according to claim 2, wherein portions of adjacent straps in the area of the weight loading portion are not in the same plane. ### Claim 12 (depends on 11) The seat pan according to claim 11, wherein among two adjacent straps, the strap in a higher level is provided with wave-shaped wrinkle(s). ### Claim 13 (depends on 1) The seat pan according to claim 1, wherein portions of adjacent straps in the area of the weight loading portion are not in the same plane. ### Claim 14 (depends on 1) The seat pan according to claim 1, wherein the covering strips extend along the whole circumference of the slots. ### Claim 15 (depends on 1) The seat pan according to claim 1, wherein the first thermoplastic composite material is polyamide reinforced with bidirectional continuous fibers in woven form. ### Claim 16 (depends on 15) The seat pan according to claim 15, wherein the continuous fibers are glass fibers or carbon fibers. ### Claim 17 (depends on 1) The seat pan according to claim 1, wherein the second thermoplastic composite material is polyamide reinforced with fibers. ### Claim 18 (depends on 17) The seat pan according to claim 17, wherein the fibers are glass or carbon fibers with a length ranging from 0.1 to 1.2 mm. ### Claim 19 (depends on 18) The seat pan according to claim 18, wherein the glass or carbon fibers have a length ranging from 0.2 to 0.4 mm. ### Claim 20 (depends on 1) The seat pan according to claim 1, wherein another covering strip is formed by overmolding the second thermoplastic composite material onto at least a part of the peripheral edge of the seat pan so as to reinforce the seat pan. ### Claim 21 (depends on 1) A seat, comprising a seat pan according to claim 1.