A sealing jaw assembly for providing transversal seals to a tube of packaging material is provided. The sealing jaw assembly comprises a first pair of opposing sealing jaws (22a, 22b) being movable relative to each other to provide a first transversal seal (6a) to the tube (12), and a second pair of opposing sealing jaws (24a, 24b) being moveable relative to each other to provide a second transversal seal (6b) to the tube (12), wherein an angular distance between a first jaw (22a) of the first pair of jaws (22a, 22b) and a first jaw (24a) of the second pair of jaws (24a, 24b) is less than 90, and an angular distance between the first jaw (22a) of the first pair of jaws (22a, 22b) and a second jaw (24b) of the second pair of jaws (24a, 24b) is greater than 90.

A method of making an aerosol container suitable for use as an aerosol dispenser. The aerosol container includes at least a valve and product delivery device joined to an outer container. The method has the steps of sealing the valve to the product delivery device and outer container at respective annular welds or other bonds joining the valve to the product delivery and to the outer container. The welds, or other bonds may be concentric, with one circumscribing the other, in the same plane or different planes. Suitable product delivery devices include bags and dip tubes. Suitable welds include spin welds.

An aerosol container suitable for use as an aerosol dispenser. The aerosol container includes at least a valve and product delivery device joined to an outer container. The valve and product delivery device have respective annular welds or other seals joining the valve and product delivery to the outer container. The welds, or other seals may be concentric, with one circumscribing the other, in the same plane or different planes. Suitable product delivery devices include bags and dip tubes.

An aerosol container suitable for use as an aerosol dispenser. The aerosol container includes at least a valve and product delivery device joined to an outer container. The valve and product delivery device have respective annular welds or other seals joining the valve and product delivery to the outer container. The welds, or other seals may be concentric, with one circumscribing the other, in the same plane or different planes. Suitable product delivery devices include bags and dip tubes.

A method for forming a geomembrane liner testable for leaks by securing adjacent panels together with the conductivity of the lower surface of an overlying panel broken along a line adjacent the panel overlapping edge, and the overlapping edges sealed along the line. A heat welder has slots for the overlapping panel edges, with a heated wedge between the slots and having a projection to break the conductivity of the overlying panel bottom surface as it passes the wedge. The slots merge to press the liner edges together to heat weld them along the line of broken conductivity as the welder is moved along the panel edges.

A supporting unit for supporting a rotatable member configured to feed a developer, the supporting unit includes a frame including a first surface extending in a direction crossing an axis of the rotatable member and a second surface extending in a direction crossing the first surface; and a fixed member including a first opposing surface opposing and contacting the first surface and including a second opposing surface opposing the second surface and welded to the second surface by ultrasonic spot welding.

An apparatus and related method of utilizing articulating vacuum plates to manipulate a film or polymeric sheet and form a three dimensional article is provided. The apparatus can be in the form of an articulating vacuum plate system which includes one or more plates or mold parts that are configured to support a sheet, constructed for example, from a polymeric film, in a two dimensional configuration or a three dimensional configuration in a first mode. The apparatus is constructed so that the plates and/or mold parts can articulate or move so as to reconfigure the sheet from a generally planar configuration into a second three dimensional configuration in a second mode for further forming, optionally while the plates and/or mold parts apply vacuum to the sheet while the plates and/or mold parts articulate, so that the plates and/or mold parts bend or otherwise manipulate the configuration and shape of the sheet.

The invention relates to a filter device for the exchange of substances, comprising a pipe section-shaped housing with a center of gravity and with two housing ends, in which housing a hollow fiber bundle consisting of semi-permeable membranes is arranged, comprising, furthermore, an end cap having a first and second opening, wherein the housing and the end cap configure a first sealing surface which connects the housing and the end cap sealingly, and wherein the first sealing surface is spaced apart further from the center of gravity of the housing than the aperture, and wherein a first fluid chamber is formed between the first sealing surface and the first opening of the end cap, via which first fluid chamber the first opening is connected to the first flow chamber, wherein the housing and the one end cap configure a second sealing surface, wherein the first and second sealing surface are not configured by way of a sealant.

An assembly (1) for protecting an acoustic device comprises an expanded polytetrafluorethylene (ePTFE) membrane (3) and first and second polymeric substrates (2, 4) disposed on opposing sides (5, 6) of the membrane (3). The first substrate (2) is transmissive for laser light of a predetermined wavelength, and the membrane (3) is joined to the first and second substrates (2, 4) by first and second laser weld joints (9, 10) on the first side (5) of the membrane (3) and the second side (6) of the membrane (3), respectively, that are created in a single laser transmission welding step through the first polymeric substrate (2) towards the second polymeric substrate (4). The first side (5) of the membrane (3) may be at least partially absorbent for the laser light and the second side (6) may be at least partially transmissive for the laser light. This may be achieved by a color gradient from black to white from the first side (5) to the second side (6).

The first electrode section (7a) and the second electrode section (7b) are formed such that the outer portion connected to the upper portion of the heating section (6) is thinner than the inner portion connected to the lower portion of the heating section (6). The heating section (6) and the first electrode section (7a) are interconnected by an R-shaped first connecting portion (21). The inner circumferential sloping surface of the heating section (6) and the second electrode section (7b) are interconnected by an R-shaped second connecting portion (22). The first and second connecting portions (21)(22) are formed such that R becomes larger from the upper end to the lower end, where the upper portion is thin and the lower portion is thick. The thickness of an intermediate portion (6b) is smaller than the thicknesses of the first and second connecting portions (21)(22).