Impact resistant wrapping system

• US 5,826,723 A
• Filed: 04/17/1996
• Issued: 10/27/1998
• Est. Priority Date: 10/28/1993
• Status: Expired due to Fees

• Current Assignee: Burlington Consolidated Limited Incorporation
• Original Assignee: Burlington Consolidated Limited Incorporation
• Inventors: Jaszai, Zoltan Kazmer
• Primary Examiner(s): Ackun, Jacob K.
• Application Number:
  US08/632,401
• Time in Patent Office: 923 Days
• Field of Search: 383/3, 206/521, 206/522
• US Class Current: 206/522
• CPC Class Codes: B65D 81/03 Wrappers or envelopes with shock-absorbing properties, e.g. bubble films for thermal insulating purposes B65D81/3888
• CPC Class Codes: B65D 81/052 filled with fluid, e.g. inflatable elements

Abstract

An impact resistant wrapping system of the invention has a sheetlike wrapping body (1) formed of gas-barrier flexible wall members (11) and (12) between which wall chambers (14) closely partitioned or partially joined to one another are formed. The sheetlike wrapping body (1) is provided with an intake tap (3) capable of injecting gas into the wall chambers and exhaust taps (5) for releasing the gas from the wall chambers (14), which intake and exhaust taps are integrated so as to be used in common or formed separately. The exhaust taps (5) are arranged between the closely partitioned wall chambers (14) in one line or two or more lines intersecting to the wall chambers (14) so that the adjacent wall chambers (14) communicate with one another through the exhaust taps (5), thereby allowing the exhaust tap (5) of the outermost wall chamber (14) to communicate to the outside of the sheetlike wrapping body (1).

Claims

1. An impact resistant wrapping system, comprising:

flexible wall members together forming a wrapping body sheet, said flexible wall members having gas barrier properties;

a plurality of wall chambers formed between said flexible wall members;

at least one intake tap in said wrapping body sheet that is capable of injecting gas into said plurality of wall chambers; and

a plurality of exhaust taps in said wrapping body capable of releasing gas from said wall chambers, said plurality of exhaust taps being arranged along at least one line that crosses a plurality of said wail chambers such that an exhaust pipe can be inserted into said exhaust taps, adjacent ones of said plurality of wall chambers can be communicated with one another, and an outermost one of said plurality of wall chambers can be communicated with the outside of said wrapping body sheet, through said plurality of exhaust taps;

wherein said inlet and exhaust taps are formed of flat tubes.

2. The impact resistant wrapping system of claim 1, wherein said flat tubes are made of synthetic resin film.

3. The impact resistant wrapping system of claim 2, and further comprising an exhaust pipe having a peripheral surface with a plurality of pores therein capable of being inserted into successive ones of said plurality of exhaust taps along said at least one line.

4. The impact resistant wrapping system of claim 1, wherein said wrapping body sheet has an outer surface thereof formed with a cutout portion.

5. The impact wrapping system of claim 1, wherein said wrapping body sheet forms a bag.

6. An impact resistant wrapping system, comprising:

flexible wall members together forming a wrapping body sheet, said flexible wall members having gas barrier properties;

a plurality of closely partitioned wall chambers formed between said flexible wall members and passages communicating at least some of said wall chambers with one another;

at least one intake tap in said wrapping body sheet that is capable of injecting gas into said plurality of wall chambers;

intermediary taps disposed between at least some of said wall chambers at said passages thereof so as to be able to communicate said wall chambers with one another through said passages; and

at least one exhaust tap in said wrapping body capable of releasing gas from said wall chambers, such that adjacent ones of said plurality of wall chambers can be communicated with one another, and an outermost one of said plurality of wall chambers can be communicated with the outside of said wrapping body sheet, through said intermediary taps, said passages and said at least one exhaust tap.

7. The impact resistant wrapping system of claim 6, wherein said wrapping body sheet has an outer surface thereof formed with a cutout portion.

8. The impact wrapping system of claim 6, wherein said wrapping body sheet forms a bag.

9. An impact wrapping system comprising:

flexible wall members together forming a wrapping body sheet, said flexible wall members having gas barrier properties;

a plurality of wall chambers formed between said flexible wall members and positioned next to one another in the direction of said sheet;

passages formed between said flexible wall members communicating said plurality of wall chambers with the exterior thereof and with each other;

a plurality of one way check valves formed of flat tubes controlling the flow of gas through said passages, said plurality of one way check valves including at least one inlet valve, at least one outlet valve and valves controlling said passages communicating said plurality of wall chambers with each other.

10. The impact wrapping system of claim 9, wherein said at least one inlet valve comprises a respective one of said one way check valves for each of said wall chambers and said at least one outlet valve and said valves controlling said passages comprise an additional one of said one way check valves for each of said wall chambers.

11. The impact wrapping system of claim 9, wherein said flexible wall members comprise films that are sealed together along outer edges thereof and at seal portions that define said wall chambers between said films.

12. The impact wrapping system of claim 11, wherein said one way check valves comprise film tubes that extend into respective said wall chambers to free ends in directions corresponding to directions of the flow of gas through said one way check valves.

13. The impact wrapping system of claim 9, wherein said one way check valves comprise a plurality of valves disposed along a line that crosses a plurality of said wall chambers.

14. The impact wrapping system of claim 9, wherein said at least one inlet valve comprises a plurality of inlet valves communicating with respective said wall chambers and with a common intake port.

15. The impact wrapping system of claim 14, wherein wrapping body sheet forms a T-shaped sheet capable of being folded into the shape of a box.

16. The impact wrapping system of claim 9, wherein said at least one inlet valve comprises a plurality of inlet valves communicating with respective said wall chambers and with a means for providing gas under pressure to said plurality of inlet valves.

17. The impact wrapping system of claim 9, wherein said at least one inlet valve is serially communicated with a plurality of said wall chambers, said passages, said valves controlling the flow of gas through said passages and said at least one outlet valve.

18. The impact wrapping system of claim 9, wherein said at least one inlet valve comprises a plurality of inlet valves communicating with respective said wall chambers, said at least one outlet valve comprises a plurality of valves disposed along a line that crosses a plurality of said wall chambers, and said one way check valves comprise film tubes that extend into respective said wall chambers to free ends in directions corresponding to directions of the natural flow of gas through said one way check valves.

19. The impact wrapping system of claim 18, and further comprising an exhaust pipe having a peripheral surface with a plurality of pores therein capable of being inserted into successive ones of said plurality of exhaust taps along said at least one line in the directions of the natural flow of gas to allow gas to flow in the opposite direction to be exhausted.

20. The impact wrapping system of claim 9, wherein said wrapping body sheet has an opening therein capable of receiving an article to be wrapped.