B29C66/12841

SECTION WIND TURBINE BLADE AND ASSEMBLY OF A SECTION WIND TURBINE BLADE

A method for assembling a shell section of a wind turbine blade includes providing a support, the support comprising a surface having a primary surface portion configured for supporting a first component and a secondary surface portion configured for supporting a second component. The method also includes arranging a second component on the secondary surface portion such that an outer surface of the second component is facing the secondary surface portion. The method further includes arranging a first component on the primary surface portion such that an outer surface of the first component is facing the primary surface portion, and such that a first primary joint surface of the first component is facing a second joint surface of the second component. Arranging the first component includes applying a force to the first component to force the outer surface of the first component towards the primary surface portion and the first primary joint surface towards the second joint surface.

METHOD OF JOINING ADDITIVELY MANUFACTURED COMPONENTS

A method for producing a component from two or more sub-components includes the steps of: producing each of the sub-components using an additive manufacturing process in which a resin, which is radiant-energy-curable, is partially cured using a selective application of radiant energy, wherein each sub-component includes a joint surface in which the resin is partially cured which is cured to a lesser degree than the remainder of the respective sub-component, so as to leave the joint surfaces in a condition suitable for bonding; assembling the sub-components with their respective joint surfaces in mutual contact; and performing a secondary cure of the partially-cured resin at the joint surfaces using an application of radiant energy, so as to further cure the partially-cured resin and bond the sub-components to each other, thereby forming the component.

Variable-stiffness imaging window and production method thereof

An imaging window of an imaging catheter includes a first imaging window section and a second imaging window section. The first imaging window section has a finite length and is formed from a first material having a flexural modulus. The second imaging window section has a finite length and is formed from a second material having a flexural modulus. The flexural modulus of the first material is different than the flexural modulus of the second material.

METHOD AND DEVICE FOR THE ULTRASONIC WELDING OF PLASTIC COMPONENTS OF AN ELECTRONIC CIGARETTE OR OF AN ELECTRONIC CIGARETTE CARTRIDGE
20210276273 · 2021-09-09 ·

A method and a device for the ultrasonic welding of a first component to a second component of an electronic cigarette cartridge, wherein both components are made of a plastic material; the device includes an ultrasound generator, which delivers an electric pulse to a vibrating assembly, which, in turn, includes a converter designed to turn the electric pulse into a mechanical vibration movement and transfers it to a sonotrode, which directly transmits the energy in the form of vibrations to the two components to be welded; the sonotrode is designed so as to simultaneously weld a plurality of first components to the respective second components and cooperates with a plurality of striker elements, each associated to a respective first component and to a respective second component to be welded; and wherein each striker element is connected to a sensor, which is designed to detect a parameter of the welding process carried out to weld the first component to the second component and to control the welding process carried out to weld the first component to the second component based on the parameter.

Laser welded body and method for manufacturing same

Provided is a laser welded body which can be manufactured without undergoing complicated steps and maintain the characteristics of a resin contained in a resin member, which exhibits high welding strength even when scanned with a laser beam at a high speed, and which can be manufactured at high production efficiency. The laser welded body 10 comprises a first resin member 1 which is a laser-irradiated subject which contains a thermoplastic resin and nigrosine sulfate and has an absorbance a.sub.1 of 0.09 to 0.9; and a second resin member 2 which contains a thermoplastic resin as the same kind as or different kind from the thermoplastic resin and a laser beam absorbent, and has an absorbance a.sub.2 of 3.0 to 15, wherein the first resin member 1 and the second resin member 2 are laser-welded at a part at which the both resin members are overlapped and/or butted.

Washable, waterproof, sealable and reusable soft gusseted volumized storage bags
11097505 · 2021-08-24 · ·

Disclosed are embodiments of a volume control storage bag and methods of making same. The volume control storage bag may have first and second sidewalls, a double-locking closure mechanism with a first closure element extending along the first sidewall and a second closure element extending along the second sidewall, each closure element having a channel and an elongated member configured for interlocking with one another. A gusset is sealed along three sides of the first and second sidewalls, leaving an opening through the closure mechanism and defining an interior space having a specific volume. Corner seals may be formed at the corners of the first and second sidewalls, further reinforcing the double-locking closure mechanism for an airtight and hence waterproof seal. The volume control storage bag may be made of a food-grade polyethylene vinyl acetate blend, approximately 90% or less ethylene vinyl acetate and approximately 10% or less polyethylene.

SYSTEM FOR INSPECTING A REPAIR OR JOINT CONSISTING OF A COMPOSITE MATERIAL APPLIED TO A STRUCTURE

This invention relates to inspection techniques for use on composite joints and repairs. In this context, this invention proposes a system for inspecting a repair or joint consisting of a composite material applied to a structure, comprising at least one exciter or element that is excitable (2, 10) to a thermal and/or vibrational stimulus, the at least one exciter or excitable element (2, 10) being integrated into the repair (1) or joint.

Methods of joining and repairing composite components

A first thermoplastic component and a second thermoplastic component including a first joint portion and a second joint portion, respectively, are provided. A least a portion of a surface area of each of the first and second joint portions include a respective first and second mating surface. The first and second mating surfaces of the respective first and second joint portions are positioned in contact with one another. The first and second joint portions are fusion joined. Fusion joining the first and second joint portions forms a fused unitary portion of the first and second thermoplastic components.

Laser weldable compositions, products and uses thereof

Laser weldable compositions are provided which in various examples include a tricyclodecane dimethanol-modified copolymer, a terephthalate-type polyester and an inorganic filler. Compared with compositions without the tricyclodecane dimethanol-modified copolymer, the compositions of the invention have improved, uniform laser transmittance, thereby welded products including the compositions have improved bonding strength and require stronger tensile strength to be torn apart.

Laser welded body

Provided is a laser welded body which can be integrated through a laser-welding step without undergoing complicated steps even through use of the same or difference resin members each other, which has excellent welding strength between the resin members, which maintains the characteristics of a resin contained in the resin member and which exhibits the high welding strength by improving meltability of the resin members yet under a laser-welding condition of a medium and high scan speed. A laser welded body comprises a resin member(s) which contains a thermoplastic resin and nigrosine sulfate having a sulfate ion concentration of 0.3 to 5.0% by mass and has an absorbance a of 0.09 to 0.9, an adjoined part where the resin member(s) is overlapped and/or butted, and at least a part of the adjoined part is laser-welded.