1. A resistance breathing device comprising:
a first body having a first internal chamber, the first body defining a primary opening, a secondary opening in fluid communication with the first internal chamber, and a breathing opening spaced from the primary and secondary openings and in fluid communication with the first internal chamber; and
an outer cup member having an open end portion and an opposed closed end portion, the outer cup member being sized and configured to be operatively connectable to the first body,
a portion of the first body being received within the outer cup member when the first body is connected to the outer cup member to define a second internal chamber between the first body and the outer cup member,
the second internal chamber being fluidly connectable to the first internal chamber via the secondary opening,
the outer cup member being configured to receive a liquid therein such that the secondary opening is submerged in the liquid to provide resistance to gas flowing between the first and second internal chambers.
2. The resistance breathing device recited in claim 1, wherein the first body includes an inner cup member having a closed end portion and an opposed open end portion, and a lid connectable to the open end portion of the inner cup member, the primary opening and the breathing opening being formed in the lid and the secondary opening being formed in the closed end portion of the inner cup member.
3. The resistance breathing device recited in claim 2, wherein:
the outer cup defines an inner diameter of approximately 2.75 inches and an internal length of approximately 5 inches;
the inner cup member defines an outer diameter of approximately 2 inches and an external length of approximately 4.875 inches.
4. The resistance breathing device recited in claim 1, wherein the second internal chamber circumscribes the first internal chamber.
5. The resistance breathing device recited in claim 1, wherein the outer cup member includes measurement lines formed on an inner surface thereof to denote liquid levels associated with respective levels of resistance.
6. The resistance breathing device recited in claim 1, further comprising a handle coupled to the outer cup member.
7. The resistance breathing device recited in claim 1, further comprising a straw connectable to the first body to fluidly connect the straw to the breathing opening.
8. The resistance breathing device recited in claim 7, further comprising a mouthpiece integral with the straw.
9. The resistance breathing device recited in claim 1, wherein the primary opening includes a plurality of primary holes and the secondary opening includes a plurality of secondary holes.
10. The resistance breathing device recited in claim 9, wherein the plurality of secondary holes defines at least two different shapes.
11. The resistance breathing device recited in claim 1, wherein the first body and the cup member are formed from a dishwasher safe material.
12. The resistance breathing device recited in claim 1, further comprising a metering device coupled to the first body and moveable relative thereto for selectively opening and closing the secondary opening.
13. The resistance breathing device recited in claim 12, wherein the metering device is rotatable relative to the first body.
14. A resistance breathing device comprising:
a main body having:
a first gas port,
a second gas port spaced from the first gas port, the main body defining a gas transfer passageway between the first and second gas ports; and
a reservoir within the gas transfer passageway, the reservoir being fillable with a liquid to provide resistance to gas transfer between the first and second gas ports,
the main body defining a longitudinal axis and being of an axial length that is approximately 5 inches.
15. The resistance breathing device recited in claim 14, wherein the gas transfer passageway includes a first gas chamber and a second gas chamber, the first and second gas chambers being separated by liquid in the reservoir when the reservoir is filled with liquid.
16. The resistance breathing device recited in claim 15, wherein the main body further includes a third gas port submersible within the liquid in the reservoir and configured to effectuate gas transfer between the first and second gas chambers.
17. The resistance breathing device recited in claim 16, further comprising a gas flow metering device moveably coupled to the main body and operative to selectively vary the size of the third gas port.
18. The resistance breathing device recited in claim 14, wherein the main body includes measurement lines formed on an inner surface thereof to denote liquid levels associated with respective levels of resistance.
19. The resistance breathing device recited in claim 14, further comprising a handle coupled to the main body.
20. The resistance breathing device recited in claim 14, further comprising a straw connectable to the main body adjacent one of the first and second gas ports.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A multiple layer structure comprising:
at least one PVDC layer comprising a component selected from the group consisting of a poly(vinylidene chloride), a poly(vinylidene chloride) copolymer, and combinations thereof; and
a tie layer attached to the PVDC layer, the tie layer comprising a blend of a polyamide and an epoxy-containing copolymer of ethylene with a component selected from the group consisting of vinyl acetate, methyl acrylate, methyl methacrylate, and acrylic acid.
2. The multiple layer structure of claim 1, wherein the structure consists essentially of the PVDC layer and the tie layer.
3. The multiple layer structure of claim 1 further comprising a third layer disposed on a side of the PVDC layer remote from the tie layer, the third layer being substantially free of vinyl chloride containing polymers and being attached to the PVDC layer by a second tie layer.
4. The multiple layer structure of claim 1, wherein the tie layer comprises a blend of a polyamide and an ethylene-methyl acrylate-glycidyl methacrylate terpolymer.
5. The multiple layer structure of claim 1 further comprising a second layer, the tie layer being disposed between the PVDC layer and the second layer.
6. The multiple layer structure of claim 5, wherein the second layer is heat sealable.
7. The multiple layer structure of claim 5, wherein the second layer comprises a polymer selected from the group consisting of polypropylene homopolymers, polypropylene copolymers, polyethylene copolymers, and combinations thereof.
8. The multiple layer structure of claim 1 further comprising a skin layer attached to the PVDC layer on a side thereof remote from the tie layer.
9. The multiple layer structure of claim 8, wherein the skin layer comprises a polyester polyether copolymer.
10. A multiple layer structure comprising:
a skin layer;
a PVDC layer attached to the skin layer, the PVDC layer comprising a component selected from the group consisting of a poly(vinylidene chloride), a poly(vinylidene chloride) copolymer, and combinations thereof attached to the heat seal layer;
a tie layer attached to the PVDC layer, the tie layer comprising a blend of a polyamide and an epoxy-containing copolymer of ethylene with a component selected from the group consisting of vinyl acetate, methyl acrylate, methyl methacrylate, and acrylic acid; and
a heat seal layer attached to the tie layer.
11. A multiple layer structure having a first surface and a second surface, the multiple layer structure comprising:
a skin layer at the first surface of the structure;
a PVDC layer comprising a component selected from the group consisting of a poly(vinylidene chloride), a poly(vinylidene chloride) copolymer, and combinations thereof attached to the skin layer;
at least one tie layer attached to at least one side of the PVDC layer, the tie layer comprising a blend of a polyamide and an epoxy-containing copolymer of ethylene with a component selected from the group consisting of vinyl acetate, methyl acrylate, methyl methacrylate, and acrylic acid; and
a heat seal layer at the second surface that is opposite of the first surface.
12. The multiple layer structure of claim 11 comprising one tie layer attached to one side of the PVDC layer and one tie layer attached to an opposite side of the PVDC layer, the tie layers and the PVDC layer disposed between the skin layer and the heat seal layer.
13. The multiple layer structure of claim 11 comprising one tie layer attached to one side of the PVDC layer and two adjacent tie layers attached to an opposite side of the PVDC layer, the tie layers and the PVDC layer disposed between the skin layer and the heat seal layer.
14. The multiple layer structure of claim 11 comprising two adjacent tie layers attached to one side of the PVDC layer and two adjacent tie layers attached to an opposite side of the PVDC layer, the tie layers and the PVDC layer disposed between the skin layer and the heat seal layer.
15. A container comprising:
a body defined, in part, by a multiple layer film comprising at least one PVDC layer comprising a component selected from the group consisting of a poly(vinylidene chloride), a poly(vinylidene chloride) copolymer, and combinations thereof, and a tie layer attached to the PVDC layer, the tie layer comprising a blend of a polyamide and an epoxy-containing copolymer of ethylene with a component selected from the group consisting of vinyl acetate, methyl acrylate, methyl methacrylate, and acrylic acid.