B29C48/0017

Method of forming a cup-shaped body for a beverage capsule

A method of forming a cup-shaped body for a beverage capsule comprising the steps of: a) in a first stage drawing a sheet of material into a cup-shaped body preform; and b) in a second stage transforming the cup-shaped body preform into the cup-shaped body; wherein after the first stage the cup-shaped body preform comprises a base and a preformed side wall which extends from the base to a rim; wherein the preformed side wall comprises: an outwardly-extending step proximate the rim; a primary side wall section extending between the base and the outwardly-extending step; and a secondary side wall section extending between the outwardly-extending step and the rim; wherein in the second stage the preformed side wall is deformed such that the cup-shaped body comprises the base and a side wall which extends from the base to the rim; wherein the side wall comprises: an annular trough; a first side wall section extending between the base and the annular trough; and a second side wall section extending between the annular trough and the rim.

METHOD, DEVICE AND INJECTION MOLDING MACHINE FOR MANUFACTURING CLAMPING RING

Disclosed are a method, an extruder and an injection molding machine for manufacturing a clamping ring, solving problems that products produced by an extrusion method needs to be processed in two steps. The key point of technical solutions lie in a molding step of acting on a pipe member in a plastic melt state via a molding die set, to form a clamping ring from the pipe member; an injection mold injects plastic materials having memory properties through an injection gate to form a pipe member in the molding cavity, the pipe member comprises a clamping ring and a sealing film provided on one end of the clamping ring, the hydraulic mechanism drives a molding cutter to cut out a joint of the sealing film and the clamping ring in a plastic melt state, thereby a limit end is formed at one end of the clamping ring.

Corrugator, extrusion system and method
10933601 · 2021-03-02 ·

A corrugator for an extrusion system for shaping a tubular plastic product, having a multiplicity of mould blocks, a guide track, along which the mould blocks are guided in each case in pairs during the operation of the corrugator from a starting region of the guide track towards an outlet region of the guide track, a first return track, along which the mould blocks are guided during the operation of the corrugator from the outlet region towards the starting region, and a second return track, with the aid of which individual mould blocks can be removed from the first return track and/or can be inserted into the latter during the operation of the corrugator.

Method for manufacturing foam molded body

A method for manufacturing a foam molded body which can allow the foam resin sheet to follow the shape of the cavity of the mold with high accuracy even when the thickness of the foam resin sheet is thick. The method includes an arranging step to arrange one sheet of a foam resin sheet between first and second molds, the foam resin sheet being formed by extruding and dangling a molten foam resin from a slit; and an expanding step to expand the foam resin sheet by subjecting the foam resin sheet to a reduced pressure suction.

Decorative multilayered extrusion-blow-formed bottle
10926447 · 2021-02-23 · ·

A decorative multilayered extrusion-blow-formed bottle having an inner layer of a polyethylene (A) and a metallic layer of a polyethylene (B) in which a metal pigment having an average thickness of not more than 600 nm is dispersed on the outer side of the inner layer. If the shear viscosities (Pa.Math.s) of the resin forming the layer neighboring the metallic layer on the inner side thereof are denoted by V.sub.6 and V.sub.30 as measured at the shear rates 6 s.sup.1 and 30 s.sup.1 thereof at a temperature of 210 C., then the shear viscosities (Pa.Math.s) .sub.6 and .sub.30 of the polyethylene (B) measured at the shear rates 6 s.sup.1 and 30 s.sup.1 thereof at a temperature of 210 C. satisfy the following viscosity condition formulas (1) and (2):
.sub.6V.sub.62000(1)
.sub.30V.sub.302000(2)

Wheel well heater and heating method

An exemplary extruded heater assembly includes, among other things, a backing, a heating layer having a conductive ink printed on a film, and a wear layer. The heating layer is sandwiched between the backing and the wear layer. An exemplary method includes, among other things, extruding together a backing, a heating layer having a conductive ink printed on a film, and a wear layer to provide an extruded structure. The method further includes mounting the extruded structure within a wheel well of a vehicle.

BIOLOGICALLY ACTIVE POLYMERS PREPARED VIA REACTIVE EXTRUSION
20210054157 · 2021-02-25 ·

Disclosed herein are methods of making active, food-grade packaging resins using a reactive extrusion step that involves reacting a polymeric material with a ligand and one of a cross-linking agent and a radical initiator in an extruder, under temperature and pressure conditions effective to cause covalent binding of the ligand to the polymeric material by a linker that is the reaction product of the cross-linking agent or by direct bond formation between the ligand and the polymeric material, and then extruding the active, food-grade packaging resin. Also disclosed are the active packaging resins obtained from such methods, methods of forming food packaging materials from the active packaging resins, the food packaging materials that contain the active packaging resins, and methods of packaging perishable food in those food packaging materials.

Integrally, extrusion blow molded container, label and RFID tag

An improved method for molding a plastic container within a mold including an RFID tag to generate a container which leaves a mold having an RFID tag bonded between the container and a label. This method provides for an improved integrally, extrusion blow molded container, label and RFID tag combination.

Air duct with in-molded anti-crush ring

A turbo duct is disclosed that includes a primary body having an inlet end, an outlet end, and an internal air passageway that communicates therebetween. An anti-crush ring is operably associated with at least one of the inlet and outlet ends. The inlet and outlet ends of the primary body are dimensioned to receive a cuff for connection of the turbo duct within an engine assembly. The anti-crush ring is situated on an outside surface of the turbo duct so as to form an intermediate anti-crush structure between the contact surfaces of the turbo duct and the cuff attached thereto. Also provided is a process for manufacturing the turbo duct.

Waste water container
10906734 · 2021-02-02 · ·

A container made of plastic and having a receiving volume of 2000 to 10000 liters comprises an upper container part and a lower container part and at least one clamping device which connects the two container parts in a sealing manner. Further, a plastic blow molding process is described, which serves to produce the container.