Carton double-wall base and container utilizing same

Claim 2

A carton double-wall base adapted for cooperative engagement with a carton cover comprising:

Claim 3

An independently formed top wall having one or a plurality of integrally formed raised lands along a segment of the edge on one or On each of two opposing sides, and an integrally formed locking notch laterally coextensive with and positioned inboard from each land, said locking notch comprising a groove in the inside surface of said top wall immediately adjacent to said land;

Claim 4

An independently formed top wall having one or a plurality of integrally formed raised lands along a segment of the edge on one or On each of two opposing sides, and an integrally formed locking notch laterally coextensive with and positioned inboard from each land, said locking notch comprising a groove in the inside surface of said top wall immediately adjacent to said land;

Claim 5

An independently formed bottom wall having integrally formed therein, and disposed to cooperate with said locking notches in said top wall, internal ribs equal in number to the number of said locking notches in said top wall, said internal ribs positioned inboard from the edge of said bottom wall and rising upwardly from the inside surface of said bottom wall with the outboard side of such ribs essentially parallel to said edge and making essentially a right angle with said surface; said top and bottom walls being vertically aligned in a position wherein each locking notch in said top wall is in longitudinal alignment with an internal rib in said bottom wall, and an entrance passage defined between the inside surface of each raised land in said top wall and the inside surface of said bottom wall, said entrance passage being in longitudinal alignment with said locking notch and said internal rib; and 4. said so-aligned top and bottom walls being sealed together around the perimeter edge, exclusive of the segment of said edge whereat there is an entrance passage, forming said base.

Claim 6

An independently formed bottom wall having integrally formed therein, and disposed to cooperate with said locking notches in said top wall, internal ribs equal in number to the number of said locking notches in said top wall, said internal ribs positioned inboard from the edge of said bottom wall and rising upwardly from the inside surface of said bottom wall with the outboard side of such ribs essentially parallel to said edge and making essentially a right angle with said surface; said top and bottom walls being vertically aligned in a position wherein each locking notch in said top wall is in longitudinal alignment with an internal rib in said bottom wall, and an entrance passage defined between the inside surface of each raised land in said top wall and the inside surface of said bottom wall, said entrance passage being in longitudinal alignment with said locking notch and said internal rib; and 4. said so-aligned top and bottom walls being sealed together around the perimeter edge, exclusive of the segment of said edge whereat there is an entrance passage, forming said base.

Claim 7

An independently formed bottom wall having integrally formed therein, and disposed to cooperate with said locking notches in said top wall, internal ribs equal in number to the number of said locking notches in said top wall, said internal ribs positioned inboard from the edge of said bottom wall and rising upwardly from the inside surface of said bottom wall with the outboard side of such ribs essentially parallel to said edge and making essentially a right angle with said surface; said top and bottom walls being vertically aligned in a position wherein each locking notch in said top wall is in longitudinal alignment with an internal rib in said bottom wall, and an entrance passage defined between the inside surface of each raised land in said top wall and the inside surface of said bottom wall, said entrance passage being in longitudinal alignment with said locking notch and said internal rib; and

Claim 8

An independently formed bottom wall having integrally formed therein, and disposed to cooperate with said locking notches in said top wall, internal ribs equal in number to the number of said locking notches in said top wall, said internal ribs positioned inboard from the edge of said bottom wall and rising upwardly from the inside surface of said bottom wall with the outboard side of such ribs essentially parallel to said edge and making essentially a right angle with said surface; said top and bottom walls being vertically aligned in a position wherein each locking notch in said top wall is in longitudinal alignment with an internal rib in said bottom wall, and an entrance passage defined between the inside surface of each raised land in said top wall and the inside surface of said bottom wall, said entrance passage being in longitudinal alignment with said locking notch and said internal rib; and

Claim 9

a container for packaging articles of commerce comprising in a cooperating combination the carton double-wall base of claim 1 and a cover therefor having integrally connected therewith hinge panels with a locking flap foldably joined thereto, said hinge panels being equal in number to the number of entrance passages in one side of said base and disposed on said cover in a position for mating with said passages on the one side of said base.

Claim 10

A container for packing articles of commerce comprising in a cooperating combination the carton double-wall base of claim 1 and a cover therefor having integrally connected therewith latching panels with a locking flap foldably joined thereto, said latching panels being equal in number to the number of entrance passages in said base and disposed on said cover in a position for mating with said passages.

Claim 11

said so-aligned top and bottom walls being sealed together around the perimeter edge, exclusive of the segment of said edge whereat there is an entrance passage, forming said base.

Claim 12

said so-aligned top and bottom walls being sealed together around the perimeter edge, exclusive of the segment of said edge whereat there is an entrance passage, forming said base.

Claim 13

A container for packaging articles of commerce comprising in a cooperating combination the carton double-wall base of claim 1, a cover therefor having integrally connected therewith hinge panels with a locking flap foldably joined thereto, said hinge panels being equal in number to the number of entrance passages in one side of said base and disposed on said cover in a position for mating with said passages, said cover also having slits therein equal in number to the number of entrance passages in the side of said base opposite the side wherein said hinge panels are inserted and disposed in said cover in longitudinal alignment with said passages to which said slits relate, and independent latching panel equal in number to the number of slits in said cover, said latching panels having locking flaps foldably joined to one end for engagement with said locking notches in said base and tuck flaps foldably joined to the opposite end thereof for insertion into said slits in said cover.

Claim 14

a container for packaging articles of commerce comprising in a cooperating combination the carton double-wall base of claim 1, a cover therefor having slits therein in one side in longitudinal alignment with the entrance passages in one side of said base to which said slits relate and equal in number to the number of said passages, and independent latching panels equal in number to the number of slits in said cover, said latching panels having locking flaps foldably joined to one end for engagement with said locking notches in said base and tuck flaps foldably joined to the opposite end thereof for insertion into said slits in said cover.

Claim 15

A container for packaging articles of commerce comprising in a cooperating combination the carton double-wall base of claim 1, a cover therefor having slits tHerein for receiving tuck flaps, said slits being equal in number to the number of entrance passages in said base and in longitudinal alignment with said passages, and independent latching panels equal in number to the number of slits in said cover, said latching panels having locking flaps foldably joined to one end for engagement with said locking notches in said base and tuck flaps foldably joined to the opposite end thereof for insertion into said slits in said cover.

Claim 16

The base of claim 1 wherein each raised land is elevated from about 0.010 to about 0.100 inch above the horizontal plane of the edge of said top.

Claim 17

The base of claim 1 wherein each raised land extends inwardly from the edge of said top from about 1/8 to about 1/2 inch.

Claim 18

The base of claim 1 wherein each locking notch has a width to depth ratio of from 2:1 to 1:2.

Claim 19

The base of claim 1 wherein each locking notch has an essentially vertical side extending upwardly from the inboard terminus of the raised land with which said vertical side cooperates at essentially a right angle for a distance of from about 1/8 to about 1/2 inch, and a horizontal side that is essentially the same dimension and joins said vertical side at the terminus thereof at essentially a right angle.

Claim 20

The base of claim 1 wherein the inside surface of a raised land and the inside surface at the flat edge of said bottom wall define an entrance passage that is from about 0.010 to about 0.100 inch high.

Claim 21

The base of claim 1 wherein the outboard side of the internal ribs extends upwardly at essentially a right angle from the surface of said bottom wall to a height of from about 1/8 to about 1/2 inch.

Claim 22

The base of claim 1 wherein there is one integrally formed locking notch and cooperating entrance passage and internal rib on one side of said base.

Claim 23

The base of claim 1 wherein there is one integrally formed locking notch and cooperating entrance passage and internal rib on each of two opposite sides of said base.

Claim 24

The base of claim 1 wherein there is one integrally formed locking notch and cooperating entrance passage and stop channel on one side, and a plurality of independent integrally formed locking notches and cooperating entrance passages and internal ribs on the opposite side of said base.

Claim 25

The base of claim 1 wherein there are a plurality of integrally formed locking notches, and cooperating entrance passages and internal ribs on each of two opposite sides of said base.