Container for delivery of flowable material

Claim 2

A container for delivery of flowable material, comprising: a deformable, one piece, unitary plastic body compressible in a longitudinal direction thereof, and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered; a cup-shaped, one piece bushing formed of a small unitary piece of plastic receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a piston formed of a single, unitary piece of plastic, slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor; and indicators on said piston and said bushing indicating movement of said piston in said bushing, said indicators including cooperating checking means on said bushing and said piston for force-locking said bushing and said piston in relative positions along a path of movement of said piston; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 3

The container according to claim 1 wherein a gripper projects laterally from an outside surface of said bushing.

Claim 4

The container according to claim 2 wherein said gripper comprises a flange formed directly on said bushing.

Claim 5

The container according to claim 2 wherein said gripper comprises two diametrically opposite arms.

Claim 6

The container according to claim 1 wherein a head is formed directly on said neck with a break-off closing.

Claim 7

The container according to claim 5 wherein said body, said neck and said head are formed unitarily of one integral piece.

Claim 8

The container according to claim 1 wherein said indicators comprise a graduation fixed on one of said piston and said bushing and a marking cooperating with said graduation fixed on the other of said piston and said bushing.

Claim 9

The container according to claim 1 wherein one end of said piston engages on said body and has a material part projecting axially.

Claim 10

The container according to claim 1 wherein said piston has an axial length at least equal to an axial length of said bushing.

Claim 11

The container according to claim 1 wherein said body comprises a bellows.

Claim 12

The container according to claim 1 wherein said shoulder projection extends radially from said neck at a juncture of said neck and said body; and said bushing floor has an inner surface extending radially from said passage opening and engaging said shoulder projection.

Claim 13

A container for delivery of flowable material, comprising: a deformable bellows body compressible in a longitudinal direction thereof, formed of a single and unitary piece of plastic and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered; a head is unitarily formed with said neck and said body with a frangible connection between said head and said neck; a cup-shaped bushing, formed of a single and unitary piece of plastic, receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a gripper unitarily formed with said bushing and projecting laterally from an outside surface of said bushing; a piston, formed of a single and unitary piece of plastic slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor, said piston having an axial length at least equal to an axial length of said bushing; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 14

A container for delivery of flowable material, comprising: a deformable bellows body compressible in a longitudinal direction thereof, formed of a single and unitary piece of plastic and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered; a head is unitarily formed with said neck and said body with a frangible connection between said head and said neck; a cup-shaped bushing, formed of a single and unitary piece of plastic, receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a gripper unitarily formed with said bushing and projecting laterally from an outside surface of said bushing; a piston, formed of a single and unitary piece of plastic slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor, said piston having an axial length at least equal to an axial length of said bushing; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 15

A container for delivery of flowable material, comprising: a deformable, one piece, unitary plastic body compressible in a longitudinal direction thereof, and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered; a head formed directly on said neck with a break-off closing; a cup-shaped, one piece, unitary bushing receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a piston slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 16

A container for delivery of flowable material, comprising: a deformable, one piece, unitary plastic body compressible in a longitudinal direction thereof, and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered; a head formed directly on said neck with a break-off closing; a cup-shaped, one piece, unitary bushing receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a piston slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 17

A container for delivery of flowable material, comprising: a deformable, one piece, unitary plastic body compressible in a longitudinal direction thereof, and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered, said neck receiving an insert body, said insert body including an injection needle for use as a disposable needle; a cup-shaped, one piece, unitary bushing receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a piston slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 18

A container for delivery of flowable material, comprising: a deformable, one piece, unitary plastic body compressible in a longitudinal direction thereof, and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered, said neck receiving an insert body, said insert body including an injection needle for use as a disposable needle; a cup-shaped, one piece, unitary bushing receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a piston slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 19

A container for delivery of flowable material, comprising: a deformable, one piece, unitary plastic body compressible in a longitudinal direction thereof, and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered; a head formed directly on said neck with a break-off closing; a cup-shaped, one piece bushing formed of a small unitary piece of plastic receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a piston formed of a single, unitary piece of plastic, slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 20

A container for delivery of flowable material, comprising: a deformable, one piece, unitary plastic body compressible in a longitudinal direction thereof, and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered; a head formed directly on said neck with a break-off closing; a cup-shaped, one piece bushing formed of a small unitary piece of plastic receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a piston formed of a single, unitary piece of plastic, slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 21

The container according to claim 15 wherein said body, said neck and said head are formed unitarily of one integral piece.

Claim 22

A container for delivery of flowable material, comprising: a deformable, one piece, unitary plastic body compressible in a longitudinal direction thereof, and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered and having an insert body therein of an injection needle for use as a disposable needle; a cup-shaped, one piece bushing formed of a small unitary piece of plastic receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a piston formed of a single, unitary piece of plastic, slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 23

A container for delivery of flowable material, comprising: a deformable, one piece, unitary plastic body compressible in a longitudinal direction thereof, and having a first transverse diameter and a shoulder projection, said body defining an interior volume and having an axial length; a neck unitarily formed with said body at one axial end of said body, said neck having a second transverse diameter smaller than said first transverse diameter, said neck having a small projection through which flowable material is delivered and having an insert body therein of an injection needle for use as a disposable needle; a cup-shaped, one piece bushing formed of a small unitary piece of plastic receiving said body and having a bushing floor and a passage opening in said floor receiving said neck, said floor engaging said shoulder projection of said body; a piston formed of a single, unitary piece of plastic, slidably mounted in said bushing and movable to positions in said bushing relative to said bushing floor; and indicators on said piston and said bushing indicating movement of said piston in said bushing; whereby, movement of said piston in said bushing toward said bushing floor reduces said volume of said body by reducing said axial length for regulating quantitative discharge of flowable material through said neck.

Claim 24

The container according to claim 17 wherein said neck receives an insert body including an injection needle for use as a disposable needle.