Containers for extrudable materials

Claim 2

A substantially tubular container for extrudable viscous material comprising: a rigid container body having at least one fully open end and a supply space therein substantially filled with viscous material, said container body having an end wall closing off the other end thereof, said end wall including a spout for dispensing said material, a dispensing unit connected to the closed end of the container body comprising a tensile element member which extends longitudinally within said container for substantially most of the length thereof, a piston slidably mounted for longitudinal movement within said container body, said piston having said tensile element attached substantially centrally thereto, said tensile element extending from said supply space through said end closing wall, windup means releasably attached to the outside of said container, said windup means being comprised of a clamp arrangement fitting snugly around the closed end of said container, said clamp having attached thereto two perforated members everted to positions perpendicular to said closed end and being provided with a windup rod positioned in said perforations as bearings to be perpendicular to the axis of said container, said tensile element being releasably attached to said windup rod, said windup rod being equipped with means for manual rotation and being manually rotatable to wind up said tensile element, said winding up to give longitudinal movement to said piston thus dispensing said viscous material through said spout; said tensile element releasably secured to said windup means.

Claim 3

The container of claim 1 wherein a resilient plastic tube is placed over the tensile element within the supply space in said container to reduce leakage.

Claim 4

The container Of claim 1 wherein a resinous coating is placed over the tensile element within the supply space in said container to reduce leakage.

Claim 5

The container of claim 1 wherein a plastic bushing is placed in the hole in the end closing wall of the container to guide said tensile element and reduce leakage around it.

Claim 6

A substantially round container for extrudable viscous material comprising: a rigid container body having at least one fully open end and a supply space therein substantially filled with viscous material, said container body having an end wall closing off the other end thereof, said end wall including a spout for dispensing said material, a dispensing unit connected to the closed end of the container body comprising a tensile element which extends longitudinally within said container for substantially most of the length thereof, a piston slidably mounted for longitudinal movement within said container body, said piston having said tensile element substantially centrally attached thereto, said tensile element extending from said supply space substantially centrally through said end closing wall, guidably passing over a grooved hump extending beyond said end wall by which said tensile element is guided, a windup rod releasably attached to said tensile element, said windup rod located substantially parallel to the axis of said cylinder and in a proximate position to said formed hump but opposite to the point at which said tensile element passes through the closed end wall, said windup rod held in such position by clamps circumferentially attached to said cylinder, said windup rod being provided with a manual windup handle means, said windup device being releasably attached to the outside of said container to transfer rotation to said tensile element and longitudinal movement to the piston thus dispensing said viscous material through the spout, said tensile element releasably secured to said windup means, and said windup means being releasably attached to said container.

Claim 7

A substantially round container for extrudable viscous material comprising: a rigid container body having at least one fully open end and a supply space therein substantially filled with viscous material, said container body having an end wall closing off the other end thereof, said end wall including a spout for dispensing said material, a dispensing unit connected to the closed end of the container body comprising a tensile element which extends longitudinally within said container for substantially most of the length thereof, a piston slidably mounted for longitudinal movement within said container body, said piston having said tensile element substantially centrally attached thereto, said tensile element extending from said supply space substantially centrally through said end closing wall, guidably passing over a grooved hump extending beyond said end wall by which said tensile element is guided, a windup rod releasably attached to said tensile element, said windup rod located substantially parallel to the axis of said cylinder and in a proximate position to said formed hump but opposite to the point at which said tensile element passes through the closed end wall, said windup rod held in such position by clamps circumferentially attached to said cylinder, said windup rod being provided with a manual windup handle means, said windup device being releasably attached to the outside of said container to transfer rotation to said tensile element and longitudinal movement to the piston thus dispensing said viscous material through the spout, said tensile element releasably secured to said windup means, and said windup means being releasably attached to said container.

Claim 8

The container of claim 5 wherein the windup rod is provided with a power shank to permit attachment of a hand rotary power tool.

Claim 9

The container of claim 5 wherein the windup rod is provided with two different windup diameters to change the mechanical advantage in extrusion of said container''s contents.

Claim 10

A substantially round container for extrudable viscous material comprising: a rigid container body having at least one fully open end and supply space therein substantially filled with viscous material, said container body having an end wall closing off the other end thereof, said end wall including a spout for dispensing said material, a dispensing unit connected to the closed end of the container body comprising a tensile element which extends longitudinally within said container body for substantially most of the length thereof, a piston slidably mounted for longitudinal movement within said container body, said piston having said tensile element substantially centrally attached thereto, said tensile element extending from said supply space substantially centrally through said end closing wall, guidably passing over a grooved hump extending beyond said end wall by which said tensile element is guided, said tensile element extending along the outside edge of said container substantially beyond the end thereof, a knobbed disc of diameter substantially equal to that of the end of said container, said knobbed disc provided with numerous knobs extending substantially at least two times the diameter of said tensile element beyond said container, said knobbed disc being provided with a flange means fitting snugly into the open end of said container, but rotating freely therein, said knobbed disc being provided on the side opposite to said flange with an attachment means for fastening said tensile element, wherein the contents of said container may be dispensed by attaching said tensile element to said knobbed disc, engaging said tensile element between two knobs of said disc, rotating said dIsc manually to apply tension to said tensile element, said tensile element producing extrusion pressure on said piston, said dispensing operation being continued when said tensile element moves to a position substantially opposite to the position of the formed hump by turning the knobbed disc to release tension, positioning said tensile element between other knobs and again rotating the disc to produce extrusion pressure.

Claim 11

A substantially round container for extrudable viscous material comprising: a rigid container body having at least one fully open end and supply space therein substantially filled with viscous material, said container body having an end wall closing off the other end thereof, said end wall including a spout for dispensing said material, a dispensing unit connected to the closed end of the container body comprising a tensile element which extends longitudinally within said container body for substantially most of the length thereof, a piston slidably mounted for longitudinal movement within said container body, said piston having said tensile element substantially centrally attached thereto, said tensile element extending from said supply space substantially centrally through said end closing wall, guidably passing over a grooved hump extending beyond said end wall by which said tensile element is guided, said tensile element extending along the outside edge of said container substantially beyond the end thereof, a knobbed disc of diameter substantially equal to that of the end of said container, said knobbed disc provided with numerous knobs extending substantially at least two times the diameter of said tensile element beyond said container, said knobbed disc being provided with a flange means fitting snugly into the open end of said container, but rotating freely therein, said knobbed disc being provided on the side opposite to said flange with an attachment means for fastening said tensile element, wherein the contents of said container may be dispensed by attaching said tensile element to said knobbed disc, engaging said tensile element between two knobs of said disc, rotating said dIsc manually to apply tension to said tensile element, said tensile element producing extrusion pressure on said piston, said dispensing operation being continued when said tensile element moves to a position substantially opposite to the position of the formed hump by turning the knobbed disc to release tension, positioning said tensile element between other knobs and again rotating the disc to produce extrusion pressure.

Claim 12

A substantially round, longitudinally compartmented container for extrudable viscous materials comprising two mated partially cylindrical container sections each having at the same end at least one fully open end and a supply space therein substantially filled with viscous material, each container section having an end wall closing off the other end thereof, said end wall including a spout for dispensing the material from each of said sections, two partially round pistons slidably mounted for longitudinal movement within said container sections, each piston connected substantially centrally on the supply side with a tensile element extending from said piston through said supply space and through said end closing wall, each then extending over a curved grooved guide attached to said end wall to give said tensile elements directions perpendicular to said container axis, a windup rod inserted through a cylindrical space between said container sections and separated therefrom by container wall means, said tensile elements attached to said windup rod, said windup rod being provided with handle means to make said windup rod manually rotatable to provide rotation to apply tensile force to said tensile elements simultaneously, said tensile force to give longitudinal force to said pistons thus dispensing said viscous materials through said spouts in a ratio fixed by the areal ratio of the container sections.

Claim 13

A substantially round, longitudinally compartmented container for extrudable viscous materials comprising two mated partially cylindrical container sections each having at the same end at least one fully open end and a supply space therein substantially filled with viscous material, each container section having an end wall closing off the other end thereof, said end wall including a spout for dispensing the material from each of said sections, two partially round pistons slidably mounted for longitudinal movement within said container sections, each piston connected substantially centrally on the supply side with a tensile element extending from said piston through said supply space and through said end closing wall, each then extending over a curved grooved guide attached to said end wall to give said tensile elements directions perpendicular to said container axis, a windup rod inserted through a cylindrical space between said container sections and separated therefrom by container wall means, said tensile elements attached to said windup rod, said windup rod being provided with handle means to make said windup rod manually rotatable to provide rotation to apply tensile force to said tensile elements simultaneously, said tensile force to give longitudinal force to said pistons thus dispensing said viscous materials through said spouts in a ratio fixed by the areal ratio of the container sections.

Claim 14

The container of claim 9 wherein the windup rod is provided with a power shank for use with a hand power tool.

Claim 15

The container in claim 9 wherein the discharge spouts are located so as to mix together the discharged contents of the container sections.