B29C63/42

METHOD AND APPARATUS FOR MAKING PATTERNED APERTURED SUBSTRATES
20220142824 · 2022-05-12 ·

The present disclosure relates to apparatuses and methods for making patterned apertured substrates that may be used as components of absorbent articles. During the manufacturing processes, a precursor substrate advances in a machine direction between a pattern roll and an anvil roll. The pattern roll rotates about an axis of rotation and includes a plurality of pattern surfaces, wherein the substrate is compressed between the anvil roll and the pattern surfaces of the pattern roll to form discrete bond regions in the substrate. The pattern surfaces on the pattern roll are formed on continuous threads extending circumferentially around the axis of rotation along helical paths parallel with each other. As such, the pattern surfaces press the substrate against the outer circumferential surface of the anvil roll in the different axial locations along the cross direction as the pattern roll rotates when forming the discrete bond regions.

Apparatus and Method for Shrinking Synthetic Filter Fabric
20220118677 · 2022-04-21 · ·

At least one infrared element arrangement having at least one infrared element (3) comprising a plurality of infrared radiators (4) is mounted on a frame moveable with respect to a synthetic filter fabric mounted to a filtering surface. The frame may have wheels or the like such that the infrared radiators may be moved along the length of the filtering surface to heat the synthetic filter fabric (6) to a temperature of 100 to 160° C. for shrinking the fabric (6) on the filtering surface (5).

METHOD FOR MANUFACTURING A SLEEVED PRODUCT
20210362400 · 2021-11-25 ·

A method of activating the shrink characteristic of multi-layered film (1), the method comprising the steps of providing a multi-layered film comprising at least a base layer film (2) that comprises a shrinkable film, a photothermic layer (3), associated with the base layer film, and comprising a photothermic material, exposing the multi-layered film (1) to electromagnetic radiation in order for the photothermic material to generate heat and shrink the multi-layered film (1), wherein the electromagnetic radiation comprises UV-light having a peak wavelength between 200 nm and 399 nm, and at least 90% of the UV-light is within a bandwidth of ±30 nm of the peak wavelength.

METHOD FOR MANUFACTURING A SLEEVED PRODUCT
20210362400 · 2021-11-25 ·

A method of activating the shrink characteristic of multi-layered film (1), the method comprising the steps of providing a multi-layered film comprising at least a base layer film (2) that comprises a shrinkable film, a photothermic layer (3), associated with the base layer film, and comprising a photothermic material, exposing the multi-layered film (1) to electromagnetic radiation in order for the photothermic material to generate heat and shrink the multi-layered film (1), wherein the electromagnetic radiation comprises UV-light having a peak wavelength between 200 nm and 399 nm, and at least 90% of the UV-light is within a bandwidth of ±30 nm of the peak wavelength.

Radially shrinkable textile sleeve

Radially shrinkable textile hose for encasing elongated objects, characterised by having an outer layer made from radially shrinkable, wear-resistant material and at least one inner layer made from thermally insulating material.

Composite preform, method for manufacturing same, composite container, method for manufacturing said composite container, and heat shrinkable plastic member

A method for manufacturing a composite preform is provided, including preparing a preform that is formed from a plastic material, preparing a tubular heat shrinkable plastic member that is longer than the preform and has a margin for thermocompression bonding at one end, inserting the preform into the plastic member having the plastic member undergo thermal shrinkage by heating the preform and the plastic member, and bonding the margin of the plastic member by thermocompression.

Method and system for forming sleeved containers

The present application relates to a system and method for forming sleeved containers. The method comprises conveying a row of containers, arranging sleeves around the containers being conveyed, attaching the sleeve to the container being conveyed by heat shrinking, removing a part of the sleeve, the removing comprising at least partially laser cutting a part out of the sleeve thereby causing the creation of a fume region containing fumes of sleeve material evaporated by the laser cutting and blowing air along the wall of the container, wherein the flow of air is directed towards the fume region to force the fumes to move away from the container.

Tag attachment by shrink film
11756453 · 2023-09-12 · ·

In one aspect, an article includes a first sleeve formed from a first heat-shrinkable polymer sheet, the first heat-shrinkable polymer sheet having opposed first and second edges, wherein the first sleeve is formed with a first seam proximate the first edge. A portion of the first heat-shrinkable polymer sheet extends between the first sleeve and the second edge. A tag is bonded to the portion of the first heat-shrinkable polymer sheet proximate the second edge at a first overlap zone of the tag and the portion of the first heat-shrinkable polymer sheet. In another aspect, an article includes a heat-shrinkable polymer sheet and a tag bonded to the sheet. The heat-shrinkable polymer sheet has a central area and a plurality of slits disposed through the sheet, at least one of the plurality of slits oriented to partially surround the central area.

Pipe liner and associated methods
11796091 · 2023-10-24 · ·

An improved pipe liner and associated methods, including a method of manufacturing the improved pipe liner and a method of lining a host pipe with such a pipe liner. The invention solves the problem of gas permeation through a polymer liner in hydrocarbon service which can result in corrosion of the host pipe and can also cause liner collapse. Corrosion occurs due to contact between corrosive species and the host pipe itself. Gases (307) can also accumulate in an annulus between or within the liner (305) and the host pipe (303) and expand during operational de-pressurisation of the pipeline, causing collapse of the liner. The improved pipe liner comprises a barrier layer (311), which prevents permeation through the liner, surrounding an inner polymer pipe (305A) and optionally covered by an outer polymer pipe (305B). The inner polymer pipe is porous which permits free movement of gas between the internal bore (302) of a lined pipe and the barrier layer, so as to prevent accumulation of gases anywhere in the lined pipe, while ensuring that gases do not permeate to, and damage, the host pipe. The liner can be inserted using Swagelining, roll-down, or any other suitable close-fit lining techniques, without compromising the effectiveness of the barrier layer.

Pipe liner and associated methods
11796091 · 2023-10-24 · ·

An improved pipe liner and associated methods, including a method of manufacturing the improved pipe liner and a method of lining a host pipe with such a pipe liner. The invention solves the problem of gas permeation through a polymer liner in hydrocarbon service which can result in corrosion of the host pipe and can also cause liner collapse. Corrosion occurs due to contact between corrosive species and the host pipe itself. Gases (307) can also accumulate in an annulus between or within the liner (305) and the host pipe (303) and expand during operational de-pressurisation of the pipeline, causing collapse of the liner. The improved pipe liner comprises a barrier layer (311), which prevents permeation through the liner, surrounding an inner polymer pipe (305A) and optionally covered by an outer polymer pipe (305B). The inner polymer pipe is porous which permits free movement of gas between the internal bore (302) of a lined pipe and the barrier layer, so as to prevent accumulation of gases anywhere in the lined pipe, while ensuring that gases do not permeate to, and damage, the host pipe. The liner can be inserted using Swagelining, roll-down, or any other suitable close-fit lining techniques, without compromising the effectiveness of the barrier layer.