The invention provides a method for the production of a 3D printed object (100), wherein the method comprises (i) a 3D printing stage, the 3D printing stage comprising 3D printing a 3D printable material (110) to provide the 3D printed object (100) of printed material (120), wherein the 3D printing stage further comprises forming during 3D printing a channel (200) in the 3D printed object (100) under construction, wherein the method further comprises (ii) a filling stage comprising filling the channel (200) with a curable material (140) and curing the curable material (140) to provide the channel (200) with cured material (150), wherein the cured material (150) has a lower stiffness than the surrounding printed material (120).

The present invention concerns a chemical mechanical polishing pad having a polishing layer. The polishing layer contains an extruded sheet. The extruded sheet is prepared by extruding a compounded photopolymerizable composition followed by exposure to UV light.

A granular material for a fused deposition three-dimensional printer that enables a flexible molded object to be manufactured with high precision. A granular material for a fused deposition three-dimensional printer is provided. The granular material is formed of a thermoplastic elastomer, and the thermoplastic elastomer has, at at least one of the measurement temperature of 120 to 270° C., a loss tangent tan δ of 0.40 or more and a loss modulus G″ of 11000 Pa or less, which are measured with a rotary rheometer having a pair of parallel plates with a diameter of 20 mm and a measurement gap of 1.3 mm at a frequency of 1 Hz.

Provided are a film insert molded article, an insert film, and the like that enable realization of complex shapes, that can prevent occurrence of cracks and breaks, and that have an excellent chemical resistance property and abrasion resistance property. This film insert molded article and the like are provided with a shaped curable insert film and a thermoplastic resin layer layered on the insert film, the insert film including a curable hard-coating layer which is uncured.

A multi-layer elastomeric tooling for the manufacturing of composite structures is disclosed. The tooling comprises an elastomeric base material with an outer layer of fluoroelastomer. The base material can, in certain embodiments, be selected for its mechanical or thermal performance or low cost without the limitation of being a contact material. The outer material can, in various embodiments, have inferior mechanical properties, or durometers different than the base material or can be a contact or barrier material.

Multilayer polymer sheets are provided, as well as related methods, systems, and appliances.

Provided is a production apparatus capable of producing a flexible tube whose hardness is naturally varied along the length direction thereof. This mixing valve includes: a first valve configured to distribute a first resin to a resin supply path and a resin discharge path; and a second valve configured to distribute a second resin to the resin supply path and the resin discharge path. In the mixing valve, the mixing proportion between the first resin and the second resin is increased or decreased in association with molding of the flexible tube, by changing a distribution ratio of the first resin in the first valve and a distribution ratio of the second resin in the second valve while keeping constant the total of the supply mounts of the first resin and the second resin supplied to a die.

A golf ball of one aspect of the present invention includes a spherical core, one or more cover members to cover the core, and a coating layer to coat a cover member configuring an outermost layer of the one or more cover members. A plurality of dimples is formed in the cover member. Shore-D hardness of the cover member is equal to or larger than 50. A 10% modulus of the coating layer is equal to or smaller than 160 kgf/cm.sup.2. Roughness is produced on a surface of the coating layer after applying a coating material over the cover member of the outermost layer A maximum height Rz of the coating layer is equal to or larger than 3 μm.

In a golf ball having a core and a cover, the core is formed of a rubber composition, has center and surface portions which are unfoamed regions and has an intermediate portion containing a foamed region. The core is produced by charging the rubber composition, which contains a blowing agent, into a first curing mold and curing under given conditions, then removing the molded rubber material in a semi-cured state from the first mold, transferring the semi-cured material to a second curing mold and curing under given conditions. The foamed region of the core deforms by a certain degree at the time of impact, decreasing the radius of gyration of the ball and enabling a lower spin rate to be achieved. The decrease in resilience due to expansion of the molded material can be held to a minimum.

A method to produce a container made of a plastic composition having an inner coating with a higher mechanical stability and/or a better adhesion to the container, includes preparing a plastic composition with at least one base polymer material and at least a first additive comprising globe-like particles having a hardness on the Mohs scale of at least 4,and extrusion blow molding of a container. The globe-like particles, which located on the inner surface of the container, increase the surface area and the hardness of the inner surface of the container. The method also includes applying the at least one metal layer of the inner coating onto the inner surface of the container, wherein the applied metal layer bonds to the globe-like particles of the first additive located on the inner surface of the container.