# US 10,870,258 B2 · Stretch releasing adhesive assembly, housing assembly and mobile terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,870,258 B2 - Document ID: US10870258B2 - Status: Granted - Kind: B2 - Application number: 15/988,410 - Filed: 2018-05-24 - Published: 2019-02-28 - Granted: 2020-12-22 - Earliest claimed: 2017-08-24 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Yuanqing Zeng - Web page: https://patentgrep.com/patent/US10870258B2 ## CPC - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - C09J 7/10: without carriers - C09J 7/25: based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds - C09J 7/403: {characterised by the structure of the release feature} - C09J 201/02: characterised by the presence of specified groups {, e.g. terminal or pendant functional groups} - G06F 1/1613: {for portable computers (cooling arrangements therefor G06F1/203; constructional details or arrangements for pocket calculators, electronic agendas or books G06F15/0216; constructional details of portable telephone sets: with several bodies H04M1/0202)} - H04M 1/026: {Details of the structure or mounting of specific components} - H04W 88/00: Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices - C09J 2203/318: for the production of liquid crystal displays - C09J 2203/326: for bonding electronic components such as wafers, chips or semiconductors - C09J 2203/33: for batteries or fuel cells - C09J 2301/16: by the structure of the carrier layer - C09J 2301/18: characterized by perforations in the adhesive tape - C09J 2301/308: the adhesive tape or sheet losing adhesive strength when being stretched, e.g. stretch adhesive - C09J 2467/006: in the substrate - C09J 2479/086: in the substrate - Y02E 60/10: Energy storage using batteries - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract The present disclosure provides a stretch releasing adhesive assembly, a housing assembly, and a mobile terminal. The stretch releasing adhesive assembly includes: a stretch releasing adhesive layer, having a pull portion at an end of the stretch releasing adhesive layer; and a first pull layer, the first pull layer and the pull portion being superposed and connected, the first pull layer being provided with at least one tear line in a position corresponding to the pull portion. ## Claims ### Claim 1 A stretch releasing adhesive assembly, comprising: a stretch releasing adhesive layer, having a pull portion at an end of the stretch releasing adhesive layer; a first pull layer, the first pull layer and the pull portion being superposed and connected, the first pull layer being provided with at least one tear line in a position corresponding to the pull portion, the first pull layer being a distinct layer from the stretch releasing adhesive layer, and disposed along a length direction of the stretch releasing adhesive layer, the first pull layer comprising: a first segment, the first segment and the pull portion being superposed and connected, the tear line being provided on the first segment; and a second segment having an end connected with an end of the first segment, the second segment extending past the pull portion; and a double-sided adhesive provided between the pull portion and the first pull layer. ### Claim 2 (depends on 1) The stretch releasing adhesive assembly according to claim 1, wherein the stretch releasing adhesive layer is in a strip shape. ### Claim 3 (depends on 1) The stretch releasing adhesive assembly according to claim 1, wherein the tear line is an incision formed by partially incising the first pull layer along a length direction of the tear line. ### Claim 4 (depends on 1) The stretch releasing adhesive assembly according to claim 1, wherein a plurality of tear lines are provided and arranged in parallel. ### Claim 5 (depends on 1) The stretch releasing adhesive assembly according to claim 1, wherein the double-sided adhesive between the first pull layer and the pull portion is spaced apart from the tear line. ### Claim 6 (depends on 1) The stretch releasing adhesive assembly according to claim 1, wherein the tear line forms an included angle α relative to a length direction of the stretch releasing adhesive layer, and a satisfies 0<α≤90°. ### Claim 7 (depends on 6) The stretch releasing adhesive assembly according to claim 6, wherein a satisfies 45°<α≤90°. ### Claim 8 (depends on 7) The stretch releasing adhesive assembly according to claim 7, wherein a satisfies α=90°. ### Claim 9 (depends on 1) The stretch releasing adhesive assembly according to claim 1, further comprising a covering film, the covering film and the stretch releasing layer being superposed, and the covering film being located at a side of the stretch releasing adhesive layer away from the first pull layer. ### Claim 10 (depends on 9) The stretch releasing adhesive assembly according to claim 9, wherein a side of the covering film away from the stretch releasing adhesive layer is provided with a double-sided adhesive. ### Claim 11 (depends on 1) The stretch releasing adhesive assembly according to claim 1, further comprising a second pull layer, the second pull layer and the pull portion being superposed, and the second pull layer being located at a side of the pull portion away from the first pull layer. ### Claim 12 (depends on 11) The stretch releasing adhesive assembly according to claim 11, wherein the second pull layer is provided with the tear line arranged opposite to the tear line on the first pull layer. ### Claim 13 (depends on 11) The stretch releasing adhesive assembly according to claim 11, wherein a double-sided adhesive is provided between the second pull layer and the pull portion. ### Claim 14 (depends on 11) The stretch releasing adhesive assembly according to claim 11, wherein along a length direction of the stretch releasing adhesive layer, the second pull layer is spaced apart from the at least one tear line. ### Claim 15 A housing assembly, comprising: a housing; a battery provided on the housing; a stretch releasing adhesive assembly comprising: a stretch releasing adhesive layer, having a pull portion at an end of the stretch releasing adhesive layer; a first pull layer, the first pull layer and the pull portion being superposed and connected, the first pull layer being provided with at least one tear line in a position corresponding to the pull portion, the first pull layer being a distinct layer from the stretch releasing adhesive layer, and disposed along a length direction of the stretch releasing adhesive layer, the first pull layer comprising: a first segment, the first segment and the pull portion being superposed and connected, the tear line being provided on the first segment; and a second segment having an end connected with an end of the first segment, the second segment extending past the pull portion; and a double-sided adhesive provided between the pull portion and the first pull layer. ### Claim 16 (depends on 15) The housing assembly according to claim 15, wherein a side of the stretch releasing adhesive layer facing the first pull layer is connected with the housing. ### Claim 17 (depends on 15) The housing assembly according to claim 15, wherein a side of the stretch releasing adhesive layer facing the first pull layer is connected with the battery. ### Claim 18 (depends on 15) The housing assembly according to claim 15, further comprising a second pull layer, the second pull layer and the pull portion being superposed, and the second pull layer being located at a side of the pull portion away from the first pull layer. ### Claim 19 (depends on 15) The housing assembly according to claim 15, wherein the second pull layer is provided with the tear line arranged opposite to the tear line on the first pull layer. ### Claim 20 A mobile terminal, comprising a housing assembly, the housing assembly comprising: a housing; a battery provided on the housing; a stretch releasing adhesive assembly comprising: a stretch releasing adhesive layer, having a pull portion at an end of the stretch releasing adhesive layer; a first pull layer, the first pull layer and the pull portion being superposed and connected, the first pull layer being provided with at least one tear line in a position corresponding to the pull portion, the first pull layer being a distinct layer from the stretch releasing adhesive layer, and disposed along a length direction of the stretch releasing adhesive layer, the first pull layer comprising: a first segment, the first segment and the pull portion being superposed and connected, the tear line being provided on the first segment; and a second segment having an end connected with an end of the first segment, the second segment extending past the pull portion; and a double-sided adhesive provided between the pull portion and the first pull layer.