Abstract: A mouth insert for a flexible pouch. The mouth insert defines a passageway that extends along an axis from an axially outer end of the mouth insert to an axially inner end of the mouth insert. The mouth insert is flexible and includes a sealing portion and a lip portion. The sealing portion is for forming a sealed connection to the flexible pouch. The lip portion is configured to extend axially outwardly from the flexible pouch. The lip portion has an axial height that is less than ? of the axial height of the mouth insert.

Abstract: A multilayer film including a barrier layer, a sealing layer, and an alcohol barrier layer. The alcohol barrier layer includes cyclic olefin copolymer and is positioned between the barrier layer and the sealing layer. The multilayer film can be used to form a pouch for containing an alcohol-based hand sanitizer.

Abstract: A multilayer film including a barrier layer, a sealing layer, and an alcohol barrier layer. The alcohol barrier layer includes cyclic olefin copolymer and is positioned between the barrier layer and the sealing layer. The multilayer film can be used to form a pouch for containing an alcohol-based hand sanitizer.

Abstract: A collapsible bottle with a channelway provided in a side wall which, in collapsed conditions of the bottle, the channelway becomes engaged with opposed portions of the side wall and define a flow passageway therethrough toward a discharge opening at one end of the bottle and a closed other end of the bottle.

Abstract: A collapsible bottle with a channelway provided in a side wall which, in collapsed conditions of the bottle, the channelway becomes engaged with opposed portions of the side wall and define a flow passageway therethrough toward a discharge opening at one end of the bottle and a closed other end of the bottle.

Abstract: A collapsible bottle with a channelway provided in a side wall which, in collapsed conditions of the bottle, the channelway becomes engaged with opposed portions of the side wall and define a flow passageway therethrough toward a discharge opening at one end of the bottle and a closed other end of the bottle.

Abstract: A piston pump dispenser in which a volume in a compartment defined inside a piston chamber-forming member and between axially spaced discs on a piston varies with movement of the piston in a cycle of operation due to the piston having a tubular portion between the discs which varies in axial length. The tubular portion has a circumferentially extending wall in the shape of a solid of revolution about an axis of the piston with opening through the wall for fluid flow. The tubular portion acts as a spring to axially bias the axially spaced disc apart.

Abstract: A collapsible bottle with a channelway provided in a side wall which, in collapsed conditions of the bottle, the channelway becomes engaged with opposed portions of the side wall and define a flow passageway therethrough toward a discharge opening at one end of the bottle and a closed other end of the bottle.

Abstract: A valve for a pump arrangement which serves on one hand as a one-way outlet valve subject to functioning, after fluid has been dispensed, of drawing back some fluid which has been dispensed.

Abstract: A pump assembly for dispensing flowable materials including a piston chamber-forming member providing an annular chamber about a center post and an annular piston-forming member reciprocally slidable in the annular chamber to dispense flowable material outwardly annularly about the center post.

Abstract: Methods and apparatus for dispensing flowable fluids, particularly those which are high viscosity by passing a stream of fluid through an elongate discharge passageway and injecting air into the fluid stream to initiate severing of the stream between an inner portion inward of the injected air and an outer portion outward of the injected air.

Abstract: A thin walled collapsible container having an outlet end and a closed base end intermediate which there are provided walls extending longitudinally of the container from the outlet end to the base end, the walls including at least a front wall and an opposite wall opposite the front wall and walls joining the front wall with the opposite wall, and in which an inwardly extending medial groove is provided between the front wall and the opposite wall, the groove extending downwardly within a bottom wall forming the base end inwardly towards the outlet end. Visible indicia such as a printed label may be provided on the front wall which label, in an uncollapsed container held by its outlet end, is disposed to be directed in a particular direction for viewing by a user and in which during collapse of the collapsible container by withdrawing fluid therefrom, the container collapses with, to a large extent, the front wall carrying the labelling to continue to be directed roughly in the same direction.

Abstract: Methods and apparatus for dispensing flowable fluids, particularly those which are high viscosity by passing a stream of fluid through an elongate discharge passageway and injecting air into the fluid stream to initiate severing of the stream between an inner portion inward of the injected air and an outer portion outward of the injected air.

Abstract: Methods and apparatus for dispensing flowable fluids, particularly those which are high viscosity by passing a stream of fluid through an elongate discharge passageway and injecting air into the fluid stream to initiate severing of the stream between an inner portion inward of the injected air and an outer portion outward of the injected air.

Abstract: In combination with a collapsible container with a dimension that varies as the container collapses from a full position to an empty position, the bottle cover with a sight opening for viewing of indicia on the bottle to provide an indication as to the extent the bottle is full or empty.

Abstract: A piston pump dispenser in which a volume in a compartment defined inside a piston chamber-forming member and between axially spaced discs on a piston varies with movement of the piston in a cycle of operation due to the piston having a tubular portion between the discs which varies in axial length. The tubular portion has a circumferentially extending wall in the shape of a solid of revolution about an axis of the piston with opening through the wall for fluid flow. The tubular portion acts as a spring to axially bias the axially spaced disc apart.

Abstract: A valve for a pump arrangement which serves on one hand as a one-way outlet valve subject to functioning, after fluid has been dispensed, of drawing back some fluid which has been dispensed.

Abstract: A piston pump dispenser in which a volume in a compartment defined inside a piston chamber-forming member and between axially spaced discs on a piston varies with movement of the piston in a cycle of operation due to the piston having a portion between the discs which varies in length.

Abstract: A pump assembly in the context of a piston pump having a piston carrying a disk which extends radially outwardly to engage a wall of a chamber to substantially prevent fluid flow in one direction and yet permit deflection of the disk away from the wall of the chamber to permit flow in the other direction; the improvement in which two or more of similar such disks are provided spaced axially adjacent one another.

Abstract: A spring member extending from a first end to a second end about a longitudinal axis, the spring having an inherent bias to assume an extended position with a first end spaced from the second end along the axis, the spring assuming compressed positions when compressed by forces applied parallel to the axis, in the compressed positions the spring resiliently urges its first and second ends axially away from each other toward the extended position, the spring member having a wall in the shape of a solid of revolution rotated about the axis and defining a central cavity therein open at the first end of the spring and substantially closed at the second end of the spring, the wall when in the unbiased extended position having a greatest diameter at the first end and a least diameter at the second end, a plurality of openings through the wall, the openings disposed symmetrically both circumferentially and axially relative to each other.