A coinjection molded multi-layer container includes an inner layer, an outer layer, and a barrier layer. The inner layer includes a first polymeric material and forms an inside surface of the container. The outer layer includes the first polymeric material and forms an outside surface of the container. The barrier layer is located between the inner layer and the outer layer and includes a second polymeric material less permeable to gas than the first polymeric material. The barrier layer is biased toward the inside surface or the outside surface such that the inner layer and the outer layer have different thicknesses.

Methods of forming polymeric foams are provided. The methods may involve co-extruding a foam layer along with one or more skin layers. In some embodiments, the skin layer(s) may be removed (e.g., in a peeling operation); while, in other embodiments, the skin layer(s) may form part of the final article. The methods are particularly well suited for producing polymeric foams from polymeric materials that are considered to be difficult to foam by those of skill in the art.

A coinjection molded multi-layer container includes an inner layer, an outer layer, and a barrier layer. The inner layer includes a first polymeric material and forms an inside surface of the container. The outer layer includes the first polymeric material and forms an outside surface of the container. The barrier layer is located between the inner layer and the outer layer and includes a second polymeric material less permeable to gas than the first polymeric material. The barrier layer is biased toward the inside surface or the outside surface such that the inner layer and the outer layer have different thicknesses.

A fiber optic cable includes a cable core of core elements and a protective sheath surrounding the core elements, an armor surrounding the cable core, the armor comprising a single overlap portion when the fiber optic cable is viewed in cross-section, and a jacket surrounding the armor, the jacket having at least two longitudinal discontinuities extruded therein. A method of accessing the cable core without the use of ripcords includes removing a portion of the armor in an access section by pulling the armor away from the cable core so that an overlap portion separates around the cable core as it is being pulled past the cable core. A protective sheath protects the core elements as the armor is being pulled around the cable core.

Provided is a method for preparing a superabsorbent polymer. More particularly, provided is a method for preparing a superabsorbent polymer having a reduced amount of coarse particles with a particle size of more than 850 μm and an improved water content, and exhibiting excellent absorption performances without deviation.

The present invention relates to a method for fabricating absorbent article having multiple layers, and deformed zones of targeted performance, and colored regions, the method comprising the steps of forming discrete features on at least one layer, printing colored regions on at least one layer, integrating multiple layers to form an absorbent assembly, and cutting the absorbent assembly into individual absorbent articles, wherein the steps are carried out continuously.

The present disclosure relates to methods for sealing absorbent cores of disposable diaper pants during the assembly process. The diaper pants may include a chassis connected with a ring-like elastic belt. Aspects of the assembly methods involve bonding a continuous length of absorbent cores between a continuous topsheet substrate and a continuous backsheet substrate advancing in a machine direction. The combined continuous topsheet substrate, continuous backsheet substrate, and continuous length of absorbent cores are then cut along a cross direction to create discrete chassis, wherein the topsheet, the backsheet, and the absorbent core of each chassis have equal longitudinal lengths. The discrete chassis are then deposited onto a first continuous elastic laminate and a second continuous elastic laminate. Opposing end regions of the absorbent cores may then be sealed by positioning a sealing layer across the topsheets of the chassis.

Process for making discrete fibrous layers, comprising the steps of continuously depositing fibers in an endless series of molds, with two neighboring molds connected by a connecting section, transferring the resulting continuous fibrous layer to another endless moving surface and cutting the continuous fibrous layer at the connecting sections to form discrete fibrous layers. The molds comprise at least one raised element that prevents fiber deposition in the raised element area.

A manufacturing device is provided, within a range in the rotation direction of the upper half of an anvil roll, in the order from the upstream side in the rotation direction of the anvil roll, with a first sheet feeding unit, a recess forming unit, a particulate material feeding device, and a second sheet feeding unit and further a welding unit provided on the downstream side of the second sheet feeding unit in the rotation direction. The anvil roll has a large number of concaves, projections provided in a portion among the concaves, so as to surround each of the concaves, and a unit to suck air in the concaves. For each concave, the projections are minute dot-shaped projections arranged only in one row at intervals in the direction surrounding the concave.

A high-moisture-permeability, microporous plastic film randomly having a lot of recesses having different opening diameters and depths, with clefts formed in the recesses, is produced by pressing a first pattern roll randomly having a lot of high-hardness, fine particles having sharp edges on a roll body surface to a flat-surface metal roll, to produce an anvil roll randomly having a lot of recesses on a metal roll surface; arranging a second pattern roll randomly having a lot of high-hardness, fine particles having sharp edges on a roll body surface oppositely to the anvil roll; and passing a plastic film through a gap between the second pattern roll and the anvil roll.