# US 8,771,573 B2 · Method for producing a plastic housing comprising an incorporated guide and/or bearing for mechanical components > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,771,573 B2 - Document ID: US8771573B2 - Status: Granted - Kind: B2 - Application number: 12/596,550 - Filed: 2008-04-18 - Published: 2010-05-06 - Granted: 2014-07-08 - Earliest claimed: 2007-04-20 - Assignees: Preh GmbH - Applicants: Bernhard Knüttel; Annegret Suckfüll - Inventors: Bernhard Knüttel; Annegret Suckfüll - Web page: https://patentgrep.com/patent/US8771573B2 ## CPC - B29C 45/1671: {with an insert} - F16D 65/38: Slack adjusters - F16D 66/021: {using electrical detection or indication means} - B29L 2031/3481: {Housings or casings incorporating or embedding electric or electronic elements} - F16D 2200/0034: non-metallic - F16D 2250/00: Manufacturing; Assembly - F16D 2250/0092: Tools or machines for producing linings - H01R 43/24: Assembling by moulding on contact members - 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) - F16D: COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES - B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract The invention relates to a method for producing a plastic housing, where at least one first plastic housing part with at least one guide or bearing for at least one mechanically movable component, in particular a sensor, is produced in a first molding step, the at least one first plastic housing part is overmolded in a second molding step while a second plastic housing part is being formed, in order to form an integral plastic housing. Moreover, the invention relates to a plastic housing with at least one first plastic housing part including at least one guide or bearing for at least one mechanically movable component, where the at least one plastic housing part is entirely or partially overmolded by a second plastic housing part so that the integral plastic housing is formed. ## Claims ### Claim 1 Method for producing a plastic housing, comprising: providing a brake lining wear sensor configured for measuring a displacement of a brake lining relative to an associated brake caliper caused by wear, whereby a linear displacement is converted into a rotational movement by means of planetary gear unit and the brake lining wear sensor measures the resulting rotational movement; molding a least one first plastic housing part with a disc shaped configuration and a functional geometry into a disc shaped external surface, the functional geometry being shaped as a plurality of bearing pins configured for rotatable bearing of gear wheels of the planetary gear unit, wherein a plurality of gear wheels are mechanically moving components of the brake lining wear sensor; entirely or partially overmolding the at least one first plastic housing part while a second plastic housing part is being formed; and forming an integral plastic housing via said molding and overmolding. ### Claim 2 (depends on 1) Method for producing a plastic housing according to claim 1, wherein, in the molding and/or the overmolding, first and/or second plastic housing part are produced by injection molding. ### Claim 3 (depends on 1) Method for the producing of a plastic housing according to claim 1, wherein the plastic housing is formed as a housing for at least partially covering a brake lining adjusting mechanism of a motor vehicle. ### Claim 4 (depends on 1) Method for producing a plastic housing according to claim 1, wherein an electrical connecting plug or socket is formed in the first housing part during the molding. ### Claim 5 (depends on 1) Method for producing a plastic housing according to claim 1, wherein the first plastic housing part is molded from a first plastic and the second plastic housing part is molded from a second plastic that is different from the plastic. ### Claim 6 (depends on 1) Method for producing a plastic housing according to claim 1, wherein the first plastic housing part is molded from polyamide and the second plastic housing part is molded from polypropylene. ### Claim 7 Method for producing a plastic housing for a brake lining comprising: providing a brake lining wear sensor configured for measuring a displacement of a brake lining relative to an associated brake caliper caused by wear, whereby a linear displacement is converted into a rotational movement by means of a planetary gear unit and the brake lining wear sensor measures the resulting rotational movement; molding at least one first plastic housing part with a disc shaped configuration and a functional geometry into a disc shaped external surface, the functional geometry being shaped as a plurality of bearing pins configured for rotatable bearing of gear wheels of he planetary gear unit, wherein a plurality of gear wheels are mechanically moving components of the brake lining wear sensor; entirely or partially overmolding the at least one first plastic housing part while a second plastic housing part is being formed; and forming an integral plastic housing via said molding and overmolding, wherein the integral plastic housing is hood-shaped and the plurality of bearing pins project into the internal space of the hood-shaped integral plastic housing. ### Claim 8 (depends on 7) Method for producing a plastic housing according to claim 7, wherein , in at least one of the molding and the overmolding, at least one of the first plastic housing and the second plastic housing part is produced by injection molding. ### Claim 9 (depends on 7) Method for producing a plastic housing according to claim 7, wherein the plastic housing is formed as a housing for at least partially covering a brake lining adjusting mechanism of a motor vehicle. ### Claim 10 (depends on 7) Method for producing a plastic housing according to claim 7, wherein an electrical connecting plug or socket is formed in the first plastic housing part during the molding. ### Claim 11 (depends on 7) Method for producing a plastic housing according to claim 7, wherein the first plastic housing part is molded from a first plastic and the second plastic housing part is molded from a second plastic that is different from the first plastic. ### Claim 12 (depends on 11) Method for producing a plastic housing according to claim 11, wherein the first plastic housing part is molded from polyamide and the second plastic housing part is molded from polypropylene.