A transparent, peelable polyester film is provided with clarity greater than 80% including a biaxially oriented polyester film as base layer (B) and an offline coated heat-sealable outer layer (A) that is peelable relative to ready-meal APET or RPET trays. The heat-sealable and peelable outer layer (A) includes from 85 to 99 wt % polyester and from 1 to 15 wt % other substances, the polyester including of from 25 to 95 mol % of units derived from at least one aromatic dicarboxylic acid and from 5 to 75 mol % of units derived from at least one aliphatic dicarboxylic acid. The polyester incorporates at least 10 mol % of units derived from diols having more than 2 carbon atoms. The mass of the dry outer layer (A) is from 1 to 5 g/m.sup.2. Production processes for the foregoing film, and use thereof as scalable film for ready-meal trays is also provided.

This disclosure relates to an article (e.g., a vapor-permeable, substantially water-impermeable multilayer article) that includes a nonwoven substrate and a film supported by the nonwoven substrate. The film includes a polyolefin, a nanoclay, and a pore-forming filler.

This disclosure relates to an article that includes a nonwoven substrate, a first film supported by the nonwoven substrate, and a second film such that the first film is between the nonwoven substrate and the second film. The first film includes a first polymer and a pore-forming filler. The difference between a surface energy of the first film and a surface energy of the nonwoven substrate is at most about 10 mN/m. The second film includes a second polymer capable of absorbing and desorbing moisture and providing a barrier to aqueous fluids.

The present disclosure provides a biodegradable and compostable multilayer film. The biodegradable and compostable multilayer film comprises a sealant product side layer comprising at least one slip additive and having a pre-determined co-efficient of friction, an outer surface layer, and at least one intermediate layer disposed between the sealant product 5 side layer and the outer surface layer. The biodegradable and compostable multilayer film of the present disclosure has good mechanical properties and is non-reactive with tobacco based products, medicines, and food products to be packaged.

The present disclosure provides a biodegradable and compostable multilayer film. The biodegradable and compostable multilayer film comprises a sealant product side layer comprising at least one slip additive and having a pre-determined co-efficient of friction, an outer surface layer, and at least one intermediate layer disposed between the sealant product 5 side layer and the outer surface layer. The biodegradable and compostable multilayer film of the present disclosure has good mechanical properties and is non-reactive with tobacco based products, medicines, and food products to be packaged.

The present invention relates to an overturning device (10) for overturning a molten material (200) in a melt channel (110) comprising a melt inlet (20) and a melt outlet (30), wherein between the melt inlet (20) and the melt outlet (30) at least a melt guidance means (40) is assembled for a rearrangement of molten material (200) from the centre (22) of the melt inlet (20) at the edge (34) of the melt outlet (30) and for a rearrangement of molten material (200) from the edge (24) of the melt inlet (20) in the centre (32) of the melt outlet (30).

The invention discloses an inflation-free hollow tire modeling die which comprises a die base, die cores and a core holder. The front face, facing a discharge outlet of an extrusion forming machine, of the die base is provided with a concaved feeding cavity, and the bottom of the feeding cavity is provided with a modeling cavity running through the back face of the die base. The core holder is an arc support or a triangular support, supporting feet of the support are fixed to the outer edge portion of the feeding cavity, the top of the support is located in front of the modeling cavity, each die core is in suspended mode and comprises a columnar main body, each die core corresponds to an inner cavity of a tire, the length direction of each die core is perpendicular to the front face and the back face of the die holder, the head ends of the die cores are fixedly connected with the core holder, the tail ends of the die cores are extended backwards and positioned in the modeling cavity, the cross section shapes and relative positions in the modeling cavity of the die cores are matched with the internal structure and tire shapes of tires, and the cross section shape of the modeling cavity is matched with the contours of the tires. By means of the structure, the die mechanical strength is ensured, meanwhile, retardation and eddy currents are avoided for rubber materials in the whole extrusion process, and the quality of tire billets and tire products is ensured.

The invention discloses an inflation-free hollow tire modeling die which comprises a die base, die cores and a core holder. The front face, facing a discharge outlet of an extrusion forming machine, of the die base is provided with a concaved feeding cavity, and the bottom of the feeding cavity is provided with a modeling cavity running through the back face of the die base. The core holder is an arc support or a triangular support, supporting feet of the support are fixed to the outer edge portion of the feeding cavity, the top of the support is located in front of the modeling cavity, each die core is in suspended mode and comprises a columnar main body, each die core corresponds to an inner cavity of a tire, the length direction of each die core is perpendicular to the front face and the back face of the die holder, the head ends of the die cores are fixedly connected with the core holder, the tail ends of the die cores are extended backwards and positioned in the modeling cavity, the cross section shapes and relative positions in the modeling cavity of the die cores are matched with the internal structure and tire shapes of tires, and the cross section shape of the modeling cavity is matched with the contours of the tires. By means of the structure, the die mechanical strength is ensured, meanwhile, retardation and eddy currents are avoided for rubber materials in the whole extrusion process, and the quality of tire billets and tire products is ensured.

A method of manufacturing an extrusion die (102, 152, 302). The method comprises providing the extrusion die (102, 152, 302), the extrusion die (102, 152, 302) having a plurality of die pins (154, 316) defining a plurality of slots (156, 320), the plurality of die pins (154, 316) having an initial die pin width and an initial die pin depth and the plurality of slots having an initial slot width (Ws) and an initial slot depth (Ds), providing a micro-milling machine (104) with a spindle (122), providing a micro-cutting tool (120) coupled to the spindle (122), mounting the extrusion die (102, 152, 302) proximate the micro-cutting tool (120), and removing material from one or more die pins (154, 316) using the micro-cutting tool (120), the micro-cutting tool (120) making one or more cutting passes against the one or more die pins (154, 316) to remove the material. Micro-milling apparatuses and further methods are provided, as are other aspects.

There is provided a die plate, a resin machine, and a method of heating nozzles of the die plate that can suppress temperature unevenness of the nozzles and increase the temperature rise performance of the nozzles. The die plate includes a nozzle group including a plurality of nozzles through which molten resin passes, and a heating medium guidance part that guides a heating medium for heating a nozzle wall of each nozzle. The heating medium guidance part includes an inlet that receives the heating medium, an outlet that discharges the heating medium from a heating medium channel, and a guidance wall that defines a heating channel that causes the inlet and the outlet to be in communication with each other together with an outer peripheral surface of the nozzle wall of each of the plurality of nozzles.