In the ultrasonic welding method, ultrasonic vibration is imparted to a first resin member via a horn while applying a pressing force to the first resin member and a second resin member in which weld portions and come into contact with each other by using a jig for supporting the second resin member and the horn that is disposed to face the jig and in contact with the first resin member so as to weld the first resin member and the second resin member, in which a jig of which a support surface for supporting the second resin member is formed of an elastomer is used as the jig.

In the ultrasonic welding method, ultrasonic vibration is imparted to a first resin member via a horn while applying a pressing force to the first resin member and a second resin member in which weld portions and come into contact with each other by using a jig for supporting the second resin member and the horn that is disposed to face the jig and in contact with the first resin member so as to weld the first resin member and the second resin member, in which a jig of which a support surface for supporting the second resin member is formed of an elastomer is used as the jig.

According to the method of the present invention. poly-4-methyl-1-pentene with a lower molecular weight can be easily and safely produced by mixing poly-4-methyl-1-pentene and another type of polyolefin (I) and conducting melt-stirring at a temperature equal to or higher than the melting points of both the poly-4-methyl-1-pentene and the polyolefin (I).

Herein are disclosed apparatus and methods for impinging heated fluids onto the surfaces of substrates to heat the surfaces of the substrates so as to facilitate melt-bonding the substrates to each other to form a laminate. Also are disclosed are laminates in which a fibrous web is bonded to a substrate in a surface-bonded manner and/or is bonded in a loft-retaining manner. The substrate may comprise protrusions on the surface of the substrate opposite the surface that is bonded to the fibrous web.

Herein are disclosed apparatus and methods for impinging heated fluids onto the surfaces of substrates to heat the surfaces of the substrates so as to facilitate melt-bonding the substrates to each other to form a laminate. Also are disclosed are laminates in which a fibrous web is bonded to a substrate in a surface-bonded manner and/or is bonded in a loft-retaining manner. The substrate may comprise protrusions on the surface of the substrate opposite the surface that is bonded to the fibrous web.

A pipe coupler (30) comprises: an axis (500); a body portion (70) surrounding the axis; a circumferentially segmented collar (72) extending from a first axial end of the body portion and having an inner diameter surface (80) and an outer diameter surface (82); and a plurality of fingers (90) projecting from a second axial end of the body portion, axially opposite the first end and having inward radial projections (96).

A pipe coupler (30) comprises: an axis (500); a body portion (70) surrounding the axis; a circumferentially segmented collar (72) extending from a first axial end of the body portion and having an inner diameter surface (80) and an outer diameter surface (82); and a plurality of fingers (90) projecting from a second axial end of the body portion, axially opposite the first end and having inward radial projections (96).

A physically crosslinked, closed cell continuous multilayer foam structure comprising at least one polypropylene/polyethylene coextruded foam layer is obtained. The multilayer foam structure is obtained by coextruding a multilayer structure comprising at least one foam composition layer, irradiating the coextruded structure with ionizing radiation, and continuously foaming the irradiated structure.

There is disclosed an in-mould labelling process for the manufacture of a labelled article comprising the steps of: feeding a labelstock web into a mould; forming an article in the mould such that the formed article contacts and effectively adheres to a label of the labelstock web; detaching the adhered label from the labelstock web; and removing the formed and labelled article from the mould.

Nozzle is provided for heat sealing, as well as methods of use thereof. Nozzle includes blade with leading edge and trailing edge having an opening for air to exit. Opening communicates with hot air tool through internal channel of blade and bore of attachment for nozzle. Blade may be bent to improve interposition of blade between material(s) to be seamed or sealed. Linear edges, curvilinear edges, stepped edges, or any combination thereof, define air exit opening. Nozzle directs hot air downstream from nozzle and perpendicular to nozzle's trailing edge. With blade interposed between material(s), hot air is directed parallel to direction of flow of material(s) in process flow. Hot air heats material(s) to a fusion temperature, or a thermoset to its activation temperature, provided along a forming region of seal or seam. Compressive force applied to material downstream from nozzle assists contact of melted material to form seal or seam.