A method of manufacturing a multi-colored hand tool grip includes a step of forming a grip, a step of forming a lid and a step of completing a finished product. In the step of forming a lid, replaceable submodules are employed to form the lid, able to lower cost of mold making. In the step of completing a finished product, after the grip and the lid are combined together and received in the mold cavity of a third mold set, raw material of a holding portion is poured into the mold cavity to form a different-colored holding portion. By so designing, the lid and the holding portion of different colors can be formed on the grip to let patterns presented more clearly, thus forming a multi-colored hand tool grip.

A mold for the manufacture of plastic objects has a plurality of cavities which are formed by clamping together a plurality of individual insert straps. The insert straps each have a shape corresponding to a portion of the desired cavity and the insert straps in combination form the desired cavity The insert straps may be rearranged and straps may be added or withdrawn to provide cavities of different lengths and configurations. The mold also has a sub-ejector assembly which may be positioned to accommodate changes in the size of the individual cavities formed by the combination of insert straps The method for making a mold includes the steps of forming a mold cavity using a plurality of insert straps and then clamping the individual insert straps together.

A modular method of manufacturing a waveguide is disclosed. The method includes positioning a mold insert including a plurality of mold prototypes, along at least one side wall of a molding equipment such that micro-optic structures of each mold prototype in the plurality of mold prototypes, faces a mold cavity. Each mold prototype extends along a length of the mold insert and the plurality of mold prototypes is disposed adjacent one another along a height of the mold insert. The method further includes feeding a material into the mold cavity for molding the material in the mold cavity to generate waveguide including a major surface having an optical pattern, where the optical pattern includes a plurality of elongated facets. Each of the plurality of elongated facets extends into the major surface and along a length of the waveguide. Further, the optical pattern extends along a height of the waveguide.

A modular pod for an injection mold includes a molding insert shaped to produce a molded part. The modular pod can be linked with a plurality of additional modular pods to form an injection mold. When a molding insert experiences a problem, the molding insert can be removed from the mold and replaced with a replacement insert. The modular pod employs a mechanical solution to eject the formed parts from the mold, without employing hydraulics.

In an injection molding system, an insert formed with a cavity or an insert member for molding an insert-molded article is shot by a camera, and the insert or the insert member to be inserted into a mold is identified based on a characteristic of the insert or the insert member shot by the camera and previously stored data on the insert or the insert member.

A tool for the injection molding of plastics parts has two tool halves that can be moved to and from each other. A mold insert is exchangeably provided in at least one of the tool halves. In addition, a mold core is provided which is inserted in the mold insert and secured by a separate securing element.

Object molded in thermoplastic material in any shape having an outer surface from which protrudes at least one hook in one piece with the molded object, in particular a hook field, the molded object and the hook(s) having been formed by injection molding, each hook comprising a base part and a head or hooking part protruding from the base part and being delimited by first and second lateral surfaces each extending on the outer surface of the molded object, being separated from each other by an intermediate surface forming the edge of the hook, the curve sections, defined by the intersections of at least one of the first and/or second lateral surfaces with planes which are in parallel with the base plane from which the hook protrudes and which are at given distances h from this base plane, have a curvature which varies as a function of the distance h, the curvature of the curve section for h=0 (the base plane and said parallel plane merging) being greater than the curvature of at least one curve section for a distance h substantially corresponding to a level of the head of the hook.

An injection-molding tool (1) for a clamping unit of an injection-molding machine for producing injection-molded parts, comprising a frame tool, consisting of a first, nozzle-side tool half (2) and a second, ejector-side tool half (3), is described. Mold insert halves (50, 51) of at least one mold insert (11) are fitted in slide-in frames (9, 10). The slide-in frames (9, 10) with the at least one mold insert (11) fitted in them can be connected to one another to form a slide-in module (8) which in the modifying process can be removed as a whole from the frame tool, which in the modifying process remains connected to the injection-molding machine.

In a method for manufacturing an optical element disclosed by the present invention, at least one atomized surface forming member corresponding to an atomized surface of the optical element is provided in an injection mold for molding the optical element. Through loading surface 3D parameters of the atomized surface forming member as well as laser pattern processing parameters, the method forms a rough surface having uniform roughness at a non-planar part of at least one curved or arched plane. Thus, an atomized surface may be disposed at a non-planar part of a curved or arched plane of the optical element, and a uniform atomization level may be achieved at the entire atomized surface. The method allows the optical element to produce preferred optical performance and effects, facilitates reducing material costs of the optical element, and promotes maintaining the expected mechanical structural strength of the optical element.

A lumbar support device comprises a carrier, a pair of arching elements molded to the carrier, and a support basket supported by the pair of arching elements. To produce the lumbar support device, the pair of arching elements may be molded to the carrier in a molding tool and the support basket may be formed in the same molding tool.