Claims Analysis
Total Claims: 59
Claim 1
Independent Claim
387 words
In combination: a. a can end provided with a pour opening having a pour width, 1. said pour opening being provided with an entry aperture at one end of said pour opening, said entry aperture having a slide width greater than said pour width, 2. said can end having a can end lapping portion and a can end sealing portion adjacent said pour opening and a plane of bulge strength adjacent said entry aperture, b. a slide adapted to pass through said entry aperture and having a slide lapping portion, a slide sealing portion and a protruding portion extending from said entry aperture, 1. said slide lapping portion being adapted to register with said can end lapping portion, and 2. said slide sealing portion being adapted to register with said plane of bulge strength, c. a pull tab having a connection to said slide on said protruding portion, d. engaging means engaging said can end lapping portion to press said can end lapping portion into intimate contact with said slide lapping portion and said slide sealing portion into intimate contact with said plane of bulge Strength, e. a pressure barrier material for sealing said intimately contacting can end sealing portion and said slide lapping portion and also for sealing said intimately contacting plane of bulge strength and said slide sealing portion, 1. said pressure barrier material being bonded to said can end sealing portion with a first predetermined shear strength and to said slide lapping portion and to said plane of bulge strength with a second predetermined shear strength less than said first predetermined shear strength, f. said pull tab having a plane of weakness on one side of said connection to said slide, g. said connection being disposed outwardly from said plane of weakness, h. said pull tab being movable away from said plane of bulge strength to break the bond between said slide and said pressure barrier material adjacent said plane of bulge strength so that said pressure barrier material functions as a guide, and i. said pull tab being then movable away from said entry aperture to break the bond between said pressure barrier material adjacent said can end sealing portion and said slide lapping portion so that pressure barrier material adjacent said can end sealing portion functions as a guide for said slide.
Claim 2
Dependent Claim
387 words
In combination: a. a can end provided with a pour opening having a pour width, 1. said pour opening being provided with an entry aperture at one end of said pour opening, said entry aperture having a slide width greater than said pour width, 2. said can end having a can end lapping portion and a can end sealing portion adjacent said pour opening and a plane of bulge strength adjacent said entry aperture, b. a slide adapted to pass through said entry aperture and having a slide lapping portion, a slide sealing portion and a protruding portion extending from said entry aperture, 1. said slide lapping portion being adapted to register with said can end lapping portion, and 2. said slide sealing portion being adapted to register with said plane of bulge strength, c. a pull tab having a connection to said slide on said protruding portion, d. engaging means engaging said can end lapping portion to press said can end lapping portion into intimate contact with said slide lapping portion and said slide sealing portion into intimate contact with said plane of bulge Strength, e. a pressure barrier material for sealing said intimately contacting can end sealing portion and said slide lapping portion and also for sealing said intimately contacting plane of bulge strength and said slide sealing portion, 1. said pressure barrier material being bonded to said can end sealing portion with a first predetermined shear strength and to said slide lapping portion and to said plane of bulge strength with a second predetermined shear strength less than said first predetermined shear strength, f. said pull tab having a plane of weakness on one side of said connection to said slide, g. said connection being disposed outwardly from said plane of weakness, h. said pull tab being movable away from said plane of bulge strength to break the bond between said slide and said pressure barrier material adjacent said plane of bulge strength so that said pressure barrier material functions as a guide, and i. said pull tab being then movable away from said entry aperture to break the bond between said pressure barrier material adjacent said can end sealing portion and said slide lapping portion so that pressure barrier material adjacent said can end sealing portion functions as a guide for said slide.
Claim 3
Dependent Claim
58 words
said can end having a can end lapping portion and a can end sealing portion adjacent said pour opening and a plane of bulge strength adjacent said entry aperture, b. a slide adapted to pass through said entry aperture and having a slide lapping portion, a slide sealing portion and a protruding portion extending from said entry aperture,
Claim 4
Dependent Claim
58 words
said can end having a can end lapping portion and a can end sealing portion adjacent said pour opening and a plane of bulge strength adjacent said entry aperture, b. a slide adapted to pass through said entry aperture and having a slide lapping portion, a slide sealing portion and a protruding portion extending from said entry aperture,
Claim 5
Dependent Claim
101 words
said slide sealing portion being adapted to register with said plane of bulge strength, c. a pull tab having a connection to said slide on said protruding portion, d. engaging means engaging said can end lapping portion to press said can end lapping portion into intimate contact with said slide lapping portion and said slide sealing portion into intimate contact with said plane of bulge Strength, e. a pressure barrier material for sealing said intimately contacting can end sealing portion and said slide lapping portion and also for sealing said intimately contacting plane of bulge strength and said slide sealing portion,
Claim 6
Dependent Claim
101 words
said slide sealing portion being adapted to register with said plane of bulge strength, c. a pull tab having a connection to said slide on said protruding portion, d. engaging means engaging said can end lapping portion to press said can end lapping portion into intimate contact with said slide lapping portion and said slide sealing portion into intimate contact with said plane of bulge Strength, e. a pressure barrier material for sealing said intimately contacting can end sealing portion and said slide lapping portion and also for sealing said intimately contacting plane of bulge strength and said slide sealing portion,
Claim 7
Dependent Claim
16 words
The combination recited in claim 1 wherein said pull tab is integral with said protruding portion.
Claim 8
Dependent Claim
20 words
The combination recited in claim 1 wherein said connection is integral with one of said pull tab and said slide.
Claim 9
Dependent Claim
20 words
The combination recited in claim 1 wherein said connection is separate from one of said pull tab and said slide.
Claim 10
Dependent Claim
13 words
The combination recited in claim 1 wherein said entry aperture is a slit.
Claim 11
Dependent Claim
13 words
The combination recited in claim 1 wherein said entry aperture is a slot.
Claim 12
Dependent Claim
17 words
The combination recited in claim 1 wherein said entry aperture is provided with a slide guide means.
Claim 13
Dependent Claim
31 words
The combination recited in claim 1 wherein said slide has a bulge strength measured in pounds per square inch equal to or greater than the bulge strength of said can end.
Claim 14
Dependent Claim
44 words
The combination recited in claim 1 wherein said engaging means has a stationary member supporting one member of said pull tab, said slide and said can end and a movable member engaging another member of said pull tab, said slide and said can end.
Claim 15
Dependent Claim
12 words
The combination recited in claim 1 wherein said engaging means is magnetic.
Claim 16
Dependent Claim
26 words
The combination recited in claim 1 having stop means on said slide for engaging said entry aperture to prevent said slide from leaving said entry aperture.
Claim 17
Dependent Claim
12 words
The combination recited in claim 1 wherein said connection is a weld.
Claim 18
Dependent Claim
12 words
The combination recited in claim 1 wherein said connection is an adhesive.
Claim 19
Dependent Claim
13 words
The combination recited in claim 1 wherein said pressure portion is a leg.
Claim 20
Dependent Claim
19 words
The combination recited in claim 1 wherein said connection is sealed to said slide by said pressure barrier material.
Claim 21
Dependent Claim
12 words
The combination recited in claim 1 wherein said pour opening is radial.
Claim 22
Dependent Claim
12 words
The combination recited in claim 1 wherein said pour opening is chordal.
Claim 23
Dependent Claim
17 words
The combination recited in claim 1 wherein said can end has an embossment around said pour opening.
Claim 24
Dependent Claim
11 words
The combination recited in claim 18 wherein said embossment is upward.
Claim 25
Dependent Claim
14 words
The combination recited in claim 18 wherein said embossment is downward for vacuum sealing.
Claim 26
Dependent Claim
19 words
The combination recited in claim 1 wherein said pressure portion has a locking tab for engaging said can end.
Claim 27
Dependent Claim
17 words
The combination recited in claim 21 wherein said locking tab has a locking tab plane of weakness.
Claim 28
Dependent Claim
27 words
The combination recited in claim 1 wherein said pour opening has arcuate sides and said entry aperture vents said pour opening when said pour opening is exposed.
Claim 29
Dependent Claim
15 words
The combination recited in claim 1 wherein said pull tab is of the corrugated type.
Claim 30
Dependent Claim
15 words
The combination recited in claim 1 wherein said pull tab is of the ring type.
Claim 31
Dependent Claim
15 words
The combination recited in claim 1 wherein said pull tab is of the serrated type.
Claim 32
Dependent Claim
15 words
The combinatioN recited in claim 1 wherein said pull tab is of the projecting type.
Claim 33
Dependent Claim
15 words
The combination recited in claim 1 wherein said pull tab is of the waffle type.
Claim 34
Dependent Claim
15 words
The combination recited in claim 1 wherein said pull tab has a plurality of protuberances.
Claim 35
Dependent Claim
15 words
The combination recited in claim 1 wherein said pull tab has a plurality of cavities.
Claim 36
Dependent Claim
16 words
The combination recited in claim 1 wherein said pull tab is of the embossed aperture type.
Claim 37
Dependent Claim
82 words
The combination recited in claim 1 wherein said can end is provided with a vent aperture and one vent closure portion of said slide or said pull tab is adapted to cover said vent aperture, said pressure barrier material being adapted to seal said vent aperture to said one vent closure portion, said one vent closure portion being operable to break said seal between said vent aperture and said one vent closure portion when said slide moves out of said entry aperture.
Claim 38
Dependent Claim
17 words
The combination recited in claim 32 wherein said vent aperture is provided with a vent entry aperture.
Claim 39
Dependent Claim
14 words
The combination recited in claim 33 wherein said vent entry aperture is a slot.
Claim 40
Dependent Claim
14 words
The combination recited in claim 33 wherein said vent entry aperture is a slit.
Claim 41
Dependent Claim
18 words
The combination recited in claim 33 wherein said vent entry aperture is provided with a slide guide means.
Claim 42
Dependent Claim
32 words
The combination recited in claim 33 wherein said one vent closure portion has stop means for engaging said entry aperture to prevent said one vent closure portion from leaving said entry aperture.
Claim 43
Dependent Claim
32 words
The combination recited in claim 32 wherein said one vent closure portion has a bulge strength measured in lbs/sq. inch equal to or greater than the bulge strength of said can end.
Claim 44
Dependent Claim
12 words
The combination recited in claim 32 wherein said vent aperture is radial.
Claim 45
Dependent Claim
12 words
The combination recited in claim 32 wherein said vent aperture is chordal.
Claim 46
Dependent Claim
18 words
The combination recited in claim 32 wherein said can end has an embossment around said vent aperture embossment.
Claim 47
Dependent Claim
13 words
The combination recited in claim 32 wherein said vent aperture embossment is upward.
Claim 48
Dependent Claim
16 words
The combination recited in claim 32 wherein said vent aperture embossment is downward for vacuum seals.
Claim 49
Dependent Claim
20 words
The combination recited in claim 32 wherein said one vent closure portion has locking tab for engaging said can end.
Claim 50
Dependent Claim
14 words
The combination recited in claim 32 wherein said vent aperture has substantially straight sides.
Claim 51
Dependent Claim
13 words
The combination recited in claim 32 wherein said vent aperture has arcuate sides.
Claim 52
Dependent Claim
51 words
The combination recited in claim 32 and having vent closure engaging means, said vent closure engaging means having a stationary member supporting one member of said pull tab, said slide and said can end and a movable member engaging another member of said pull tab, said slide and said can end.
Claim 53
Dependent Claim
13 words
The combination recited in claim 32 having magnetic type vent closure engaging means.
Claim 54
Dependent Claim
22 words
The combination recited in claim 32 wherein said one vent closure portion is integral with either said slide or said pull tab.
Claim 55
Dependent Claim
43 words
The combination recited in claim 32 wherein said one vent closure portion is separate from either said slide or said pull tab and having a vent closure connection for connecting said one vent closure portion to either said slide or said pull tab.
Claim 56
Dependent Claim
15 words
The combination recited in claim 1 wherein said stop means is on said can end.
Claim 57
Dependent Claim
33 words
The combination recited in claim 1 and having stop means on said one vent closure portion for limiting the movement of said slide by engagement of said stop means with said can end.
Claim 58
Dependent Claim
15 words
The combination recited in claim 32 wherein said pull tab is of the expansion type.
Claim 59
Dependent Claim
28 words
The combination recited in claim 1 wherein said pour opening has substantially straight sides and said entry aperture vents said can end when said pour opening is upward.