摘要:
The cooling pin (1) is used for cooling a moulded hollow plastic piece, such as preform (P). The cooling pin (1) comprises: - a hollow blowing pipe (2) having a fluid inlet (20a) at one end and at least one fluid outlet (21 a) at the opposite end, and - fluid boosting means (3) for boosting by Venturi effect the cooling fluid flow at the inlet (20a) of the blowing pipe (2). The cooling pin (1) can be mounted on a cooling plate of a moulding machine, and in particular an injection moulding machine.
摘要:
A urethane bumper spring is produced from a urethane raw material containing a polyester-based polyol as a polyol component and diphenylmethane diisocyanate as an isocyanate component, and includes: a skin layer; and a core portion, in which the skin layer has a density (Da) and a foamed cell diameter (Ra), and the core portion has a density (Db) and a foamed cell diameter (Rb). The density (Da), the foamed cell diameter (Ra), the density (Db), and the foamed cell diameter (Rb) satisfy relationships shown in the following expressions: 1.0≤Da/Db
摘要翻译:本发明的聚氨酯保险杠弹簧由含有作为多元醇成分的聚酯系多元醇和作为异氰酸酯成分的二苯基甲烷二异氰酸酯的聚氨酯原料制造而成,具有表皮层, 以及其中表层具有密度(Da)和发泡小室直径(Ra)且核部分具有密度(Db)和发泡小室直径(Rb)的芯部。 密度(Da),发泡小室直径(Ra),密度(Db)和发泡小室直径(Rb)满足以下表达式:1.0≤Da/ Db <1.34(1)和0.53
摘要:
In an embodiment a method of making an article, comprises: forming the article comprising a first portion comprising a polymer composition and a second portion, wherein a composition of the first portion and of the second portion are different; and processing the article at a manufacturing temperature that is greater than a Temperature A, wherein Temperature A is at least one of the heat deflection temperature, the glass transition temperature, the melting temperature, and the degradation temperature; wherein the first portion comprises at least one of (a) the polymer composition in the form of a filled, channeled structure and (b) a phase change material; wherein during the processing, an average temperature of the polymer composition is maintained below Temperature B, wherein Temperature B is at least one of the heat deflection temperature, the melting temperature, the glass transition temperature, and the degradation temperature.
摘要:
Embodiments are directed to a molded plastic object that includes at least one vapor chamber within the plastic object. A wicking material is in contact with at least a portion of an inner wall of the vapor chamber. A working fluid located within the vapor chamber is configured to distribute heat from warmer regions of the plastic object to cooler regions of the plastic object. In some embodiments, the molded plastic object is part or all of a solid inkjet printhead.
摘要:
A shell, a method of preparing the shell and an electronic product comprising the shell are provided. The shell may comprise: a metal shell body, a plastic part made of a resin, and an oxide layer formed between the metal body and the plastic part, joining the plastic part to the metal shell body, wherein the oxide layer contains corrosion pores having an average diameter of about 200 nm to about 2000 nm in the surface contacting the plastic part, and nanopores having a diameter of about 10 to 100 nm in the surface contacting the metal shell body, and a part of the resin is filled in the corrosion pore and corrosion pore.
摘要:
The optical element is a long optical element obtained by detaching a long main body part connected to a runner part via a gate part including an optical part from the gate part and chipping the detached main body, the optical part including at least a first optical surface to allow light to pass therethrough or to reflect light. The first optical surface has a curved surface that is curved on the short direction at least at the longitudinal end, while the first edge of the first optical surface side on the end surface of gate part side in the main body part is curved according to the curved surface example of the first optical surface. The boundary surface between the main body part and the gate part is formed so as to be narrower than the end surface of the gate part side of the main body part. At least the distance between the site corresponding to the effective region on the first optical surface at the first edge and the site corresponding to the effective region on the first optical surface at the second edge of the first optical surface side on the boundary surface is uniformly formed.