| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 264318000 | Molding trapped undercut article portion | 29 |
| 20090140461 | MOLDING APPARATUS AND METHOD OF FORMING UNDERCUTS - A molding apparatus can include a primary mold, a stripper, and a swinging member. The swinging member can comprise a molding surface defining an undercut portion of a molded item. The swinging member can directly contact or attached to the stripper and the primary mold. To facilitate removal of a molded item, the swinging member can withdraw through a hole in the primary mold as a direct result of a motion of the stripper to pull the molded item off the primary mold. The molded item can then be easily removed. | 06-04-2009 |
| 20090140462 | Apparatuses for Forming Objects With Undercut Portions - An apparatus for forming an object from a dose of plastics comprises a die arrangement provided with a cavity for receiving said dose and with at least two parts that are reciprocally movable for shaping an undercut portion of said object, at least one fluid for applying a clamping force so as to keep said at least two parts in contact; said at least one fluid is such as to increase discontinuously said clamping force from an initial force that is applicable when said dose is substantially contained in said cavity to a final force applicable when said at least two parts shape said undercut portion. | 06-04-2009 |
| 20100096777 | Methods for Manufacturing Three-Dimensional Devices and Devices Created Thereby - In certain exemplary embodiments of the present invention, three-dimensional micro-mechanical devices and/or micro-structures can be made using a production casting process. As part of this process, an intermediate mold can be made from or derived from a precision stack lamination and used to fabricate the devices and/or structures. Further, the micro-devices and/or micro-structures can be fabricated on planar or nonplanar surfaces through use of a series of production casting processes and intermediate molds. The use of precision stack lamination can allow the fabrication of high aspect ratio structures. Moreover, via certain molding and/or casting materials, molds having cavities with protruding undercuts also can be fabricated. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 04-22-2010 |
| 20100096778 | Methods for Manufacturing Three-Dimensional Devices and Devices Created Thereby - In certain exemplary embodiments of the present invention, three-dimensional micro-mechanical devices and/or micro-structures can be made using a production casting process. As part of this process, an intermediate mold can be made from or derived from a precision stack lamination and used to fabricate the devices and/or structures. Further, the micro-devices and/or micro-structures can be fabricated on planar or nonplanar surfaces through use of a series of production casting processes and intermediate molds. The use of precision stack lamination can allow the fabrication of high aspect ratio structures. Moreover, via certain molding and/or casting materials, molds having cavities with protruding undercuts also can be fabricated. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 04-22-2010 |
| 20100102481 | CARRIER MOLD - A carrier mold having prongs that produces shaped tampons is provided. When subjected to pressure by a pushrod the prongs of the carrier mold flex to substantially or partially open one end of the carrier mold. A method of forming a shaped tampon using the carrier mold is also provided. | 04-29-2010 |
| 20100123270 | METHOD OF FORMING A PART WITH A FEATURE HAVING A DIE-LOCKED GEOMETRY - A method of forming a part with a feature having a die-locked geometry is disclosed herein. A molding tool used in the method includes at least one die having a cavity defined in a surface thereof, and a protrusion formed in the cavity. The method includes disposing a shape memory polymer insert on the protrusion, where the shape memory polymer insert has i) the die-locked geometry as its temporary shape, and ii) a geometry that is removable from the die-locked geometry as its permanent shape. A material is established in the cavity such that at least a portion of the material conforms to the die-locked geometry, thereby forming the part having the feature with the at least one die-locked geometry. | 05-20-2010 |
| 20100164142 | Moulding Device and Method of Generating a Cast of an Inner Surface of a Tubular Member - This invention is related to a moulding device ( | 07-01-2010 |
| 20100193995 | Form And Process For Casting Concrete Blocks - A form and process for casting concrete blocks, each having at least one side textured. The blocks are cast in cavities which have a resilient insert on at least one side for imparting texture to the blocks. After the cast blocks are cured, the form is inverted and placed on a support surface. At least the side having the resilient insert is moved laterally away from the block and the form is lifted to leave the block on the support surface. The textured side can release from the form despite deep grooves and crevices simulating natural stones. | 08-05-2010 |
| 20100201033 | Baffled Treatball - A treatball for storing and dispensing pet treats has an elastic body and is restorably compressible in response to an external force applied to the body and has a plurality of spaced-apart internal baffles. A method of making the treatball includes providing an internal mold, introducing an elastomeric material onto the internal mold, molding the elastomeric material into a shape that is representative of the treatball, and extracting the internal mold through an opening in the treatball. Therein, the elastomeric material has sufficient hot tear resistance to allow the internal mold to be extracted through the opening of the treatball without tearing the treatball. | 08-12-2010 |
| 20100252958 | METHOD AND APPARATUS FOR MOLDING AN ARTICLE - An apparatus for molding an article. The apparatus includes a mold and a mold plate slidable between a first position and a second position within the mold. In the first position the mold plate creates an undercut feature in a molded article in the second position the molded article with the undercut feature may be easily removed from the mold without damaging the mold or the article. | 10-07-2010 |
| 20110042851 | Molding Apparatus and Method of Forming Undercuts - A molding apparatus can include a primary mold, a stripper, and a swinging member. The swinging member can comprise a molding surface defining an undercut portion of a molded item. The swinging member can directly contact or attached to the stripper and the primary mold. To facilitate removal of a molded item, the swinging member can withdraw through a hole in the primary mold as a direct result of a motion of the stripper to pull the molded item off the primary mold. The molded item can then be easily removed. | 02-24-2011 |
| 20110121488 | Apparatus and method for producing structures with multiple undercut stems - A method is disclosed for producing structures having a plurality of stems extending away from a fenestrated base to undercut islands projecting over fenestrations in the base. Such structures include slidingly-engaging fastener portions, self-engaging fasteners, uni-directional stepped fasteners, fastening segments integral with larger product components, and other structures with similar aspects. The method includes providing a set of partially bypassing dies to define a fenestrated common cavity contiguous with pluralities of undercut stem chambers and a terminal chamber, filling the cavity with a ductile moldable material, engaging the dies, and releasing the resultant product. | 05-26-2011 |
| 20110180967 | APPARATUSES FOR FORMING OBJECTS WITH UNDERCUT PORTIONS - An apparatus for forming an object from a dose of plastics comprises a die arrangement provided with a cavity for receiving said dose and with at least two parts that are reciprocally movable for shaping an undercut portion of said object, at least one fluid for applying a clamping force so as to keep said at least two parts in contact; said at least one fluid is such as to increase discontinuously said clamping force from an initial force that is applicable when said dose is substantially contained in said cavity to a final force applicable when said at least two parts shape said undercut portion. | 07-28-2011 |
| 20120139161 | MOLD STRUCTURE FOR MOLDING HOUSING, METHOD FOR MOLDING HOUSING, AND HOUSING - A mold for forming a housing having a lance includes a first mold and a second mold. The lance has a first projection for engaging a terminal and a second projection provided at a position nearer with an end of the lance than the first projection. The first mold includes a first member having a third projection. The second mold includes a second member and a third member. The second member has a first concave portion into which the third projection is inserted. The third member is configured to be moved with respect to the second member. The second member defines, with the first member, a first space where the housing is adapted to be formed. The third member defines, with the first member, a second space where the first projection and the second projection are adapted to be formed. | 06-07-2012 |
| 20120139162 | DEVICE AND METHOD FOR CASTING A COMPONENT - The invention relates to a device for casting a component having undercuts, comprising a casting mold with at least one first casting core and at least one second casting core, wherein the first casting core comprises at least two arms extending from a common carrying section, which arms delimit between each other a free space and which arms, in the area of their free ends on outer surfaces facing away from one another or on inner surfaces facing toward one another, comprise at least one projection respectively, for forming at least one undercut on a component respectively, and wherein the second casting core can be placed onto the first casting core such that the arms of the first casting core can be pressed away from one another at least in the area of their free ends from an idle position or wherein the second casting core can be placed onto the first casting core such that the arms of the first casting core can be pressed toward one another at least in the area of their free ends from an idle position, and wherein the arms are elastic such that upon removal of the second casting core they move back into their idle position self-actuated. | 06-07-2012 |
| 20130161871 | MOLDING APPARATUS - Described herein is a mold. The mold includes a first mold half and a second mold half. A molding cavity is definable between the first mold half and the second mold half within which a molded article is moldable. The mold also includes a core configured to form a seal on the molded article. The first mold half and the second mold half are configured to remain in a mold closed configuration with molding and stripping of the molded article. | 06-27-2013 |
| 20130181378 | METHOD AND APPARATUS FOR MOLDING AN ARTICLE - An apparatus for molding an article. The apparatus includes a mold and a mold plate slidable between a first position and a second position within the mold. In the first position the mold plate creates an undercut feature in a molded article in the second position the molded article with the undercut feature may be easily removed from the mold without damaging the mold or the article. | 07-18-2013 |
| 20130256949 | Mold for Creating Negative Draft Surfaces in Molded Items and Method of Molding - A one-piece mold can be used to form molded items that incorporate features or encroachments with negative draft angles, and such molded items can be removed from the mold in a single piece by lifting, tilting, or pulling, or a combination thereof, without breaking the mold or the item to be molded. The mold and method of molding are suited to a bathtub or shower unit. The mold and method of molding permit the removal of molded items with negative draft angles by coordinating the angle of the sump front wall and sump back wall with the angles of other encroachments in the molded item within specified ranges that permit one-piece removal of the item to be molded from the mold. | 10-03-2013 |
| 20130277886 | MOLD FOR VEHICLE BUMPER FASCIA AND ASSOCIATED MOLDING TECHNIQUE - A mold for producing a vehicle bumper fascia and methods for releasing the bumper fascia are provided. The mold includes a core mold half having a primary mold core. A first movable mold core is slidingly engaged to the primary mold core. A second movable mold core is slidingly engaged to the first movable mold core. A third movable mold core is slidingly engaged to the second movable mold core. Portions of the primary mold core and the movable mold cores together define cavities for forming the mounting rib, a wing portion, and a wheel well flange of the bumper fascia. Methods of releasing the bumper fascia include the steps of providing the mold, disengaging the movable mold cores from each other and from the primary mold core. | 10-24-2013 |
| 20140054824 | INSERT MOLDING METHOD AND ARTICLE FORMED BY SAME - An insert molding method includes providing a mold and a pin, and predetermining a mold releasing direction of the mold. The pin includes a latching portion. A preform and a depressed portion of a mold releasing hole in the preform are formed via the mold and the pin. The depressed portion is formed at an end of the preform along the mold releasing direction. The pin passes through the depressed portion and is partly received in the preform. The pin is released to release the preform from the mold, and the latching portion resists and drags along inner surface in the mold releasing hole in the preform along the mold releasing direction. A plurality of burrs is produced and received in the depressed portion. The preform is cooled to form an article. | 02-27-2014 |
| 20140097555 | MOLDING DEVICE AND METHOD OF MANUFACTURING MOLDED PRODUCT - A molding device for manufacturing a molded product having an inner space bent in a circular arc shape includes: a set of molds joinable to and separable from each other, the set of molds being capable of forming a cavity having a shape corresponding to an outer shape of the molded product in a joined state at the time of molding; a core having an outer shape corresponding to an inner shape of the molded product for use in a state where the core is arranged in the inside of the cavity formed by the set of molds at the time of molding; and an ejector plate having a core through hole through which the core passes for ejecting the molded product formed around the core along the circular arc shape in a separated state where the set of molds is separated from each other. | 04-10-2014 |
| 20140167320 | THREAD FORMING DEVICE FOR COMPRESSION MOLDING AND APPARATUS INCORPORATING SAME - A thread forming device for compression molding comprises a base positioned adjacent a compression molding device, a plurality of posts extending from the base, a carrier moveable along the posts and supporting at least one rotatable threaded shaft, each shaft being configured for forming a threaded bore during compression molding of a part, an assembly for rotatably driving the at least one threaded shaft for unthreading the at least one threaded shaft from the part, and one or more biasing members configured to push the carrier away from the base once the at least one threaded shaft is unthreaded from the part. | 06-19-2014 |
| 20140367888 | RESIN MOLDING DIE, RESIN MOLDING METHOD AND RESIN MOLDED PRODUCT - It is an object of this invention to provide a resin molding die that is capable of suppressing, even when an undercut is provided on a core mold and an embossing process is performed on a cavity mold, generation of burrs attributed to the undercut and the embossing process. A resin molding die ( | 12-18-2014 |
| 20150115502 | Collapsible core of a mold for forming internal features such as threads - A collapsible core of an injection mold includes relatively movable components arrayed about an imaginary centerline. When in an operational position for molding a new product, the movable components each define a separate segment of the exterior of the core, such as side by side segments of interior features such as a continuous set of threads to be formed in a product being molded. To move between operational and retracted positions, some core components are pivotally connected to a nest of the core, and others are translatably connected to the nest. When a newly molded product is ejected from the mold, ejection movement causes the pivotally connected core components to pivot to disengage the newly formed interior features, and causes the translatably connected components to translate to disengage the newly formed interior features. | 04-30-2015 |
| 20150360405 | APPARATUS FOR MANUFACTURING CONSTANT VELOCITY JOINT BOOT AND METHOD OF MANUFACTURING THE SAME - An apparatus for manufacturing a constant velocity joint boot includes a molding mold that injection-molds a molded body using an inner mold and outer molds. The inner mold has a configuration in which split molds are disposed radially along an outer circumferential surface of a core shaft extending vertically. The manufacturing apparatus has rod-like support members including distal end portions and step surfaces. The distal end portions are inserted into concave portions formed in extension portions of the split molds so that the split molds are supported. The step surfaces abut against the outer circumferential surfaces of the extension portions in the state where the split molds are supported by the distal end portions. | 12-17-2015 |
| 20160039125 | Mold for Creating Negative Draft Surfaces in Molded Items and Method of Molding - A one-piece mold can be used to form molded items that incorporate features or encroachments with negative draft angles, and such molded items can be removed from the mold in a single piece by lifting, tilting, or pulling, or a combination thereof, without breaking the mold or the item to be molded. The mold and method of molding are suited to a bathtub or shower unit. The mold and method of molding permit the removal of molded items with negative draft angles by coordinating the angle of the sump front will and sump back wall with the angles of other encroachments in the molded item within specified ranges that permit one-piece removal of the item to be molded from the mold. | 02-11-2016 |
| 20160046063 | THERMOFORM PACKAGING MACHINE WITH MOVABLE MOLD - The present invention relates to a thermoform packaging machine with a forming station. The forming station can include a forming tool lower part with at least one mold insert that is movable relative to the forming tool lower part. The present invention also relates to a method of forming a film including the step of moving the mold insert, relative to the forming tool lower part and the formed film, to a removal position while the film is clamped between the forming tool upper part and the forming tool lower part. | 02-18-2016 |
| 20160101560 | TOOL, TOOL STATION, THERMOFORMING SYSTEM AND METHOD FOR OPERATING A THERMOFORMING SYSTEM - A tool for moulding a moulded part made of thermoplastic material and to a corresponding system and to a method. The invention relates to, in particular, the production of semi-finished products for refrigerators with a groove for receiving a seal. According to the invention, during demoulding from the undercut groove, a force acting upon the notches is braced and guided towards the residual film grid. | 04-14-2016 |
| 20160185022 | MOLD APPARATUS AND RESIN MOLDING METHOD - The mold apparatus ( | 06-30-2016 |
