Special receptacle or package – With specified material for container or content – For container lining – coating – or impregnate
Patent
1994-03-07
1996-07-09
Ackun, Jacob K.
Special receptacle or package
With specified material for container or content
For container lining, coating, or impregnate
2065245, 383 38, 383 86, 493264, B65D 8500
Patent
active
055336248
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a package, preferably for perilous samples and the like, and a method for producing the package.
Swedish Patent 8304910-6 discloses a package intended primarily for perilous samples. This package comprises an inner compartment for perilous samples or the like, and an outer compartment surrounding the inner compartment and intended for some kind of document, such as a packing slip. The outer compartment has a slot-shaped opening next to the opening of the inner compartment. Both compartments can be closed by means of one and the same flap, sealing the inner compartment in a liquid-tight manner. The outer compartment can be opened by means of a tear thread, leaving the inner compartment sealed.
Packages of this type serve their purpose fairly well, but are not cheap enough to allow low-cost mass production. Further, they involve a certain risk of confusion, i.e. that the perilous sample is placed in the wrong compartment. There is also the admittedly small risk that an externally besmeared sample may, when put in the right compartment, come into contact also with that part of the flap which is intended to seal the other or second compartment, i.e. the document compartment, in which case there is a risk of infection when opening this compartment.
The present invention aims at obviating the risk of the first compartment thus infecting the second compartment when the sample is leaking or exteriorly besmeared, especially when opening the second compartment. Further, the invention provides a method for producing such a package, enabling simple and low-cost mass production as well as reducing the risk of the sample compartment being confused with the document compartment.
According to the invention, this is achieved by a package and method as set forth in the appended claims.
The provision of the first and the second flap, and consequently of the openings of the two compartments, on opposite ends of the package effectively obviates the risk of infection when an exteriorly besmeared sample is put in the first compartment and the compartments are sealed, or in the case of a leaking sample, when the second compartment is later opened. In a further development of the invention, the first flap is located, when not in use, outside the two compartments of the package, and so this flap and the associated compartment are naturally perceived by the user as intended primarily for the perilous sample.
This effect is further enhanced if, as in one embodiment of the invention, the contour of the second flap essentially coincides with the adjoining contour of the package, such that the second flap is not perceived as a sealing flap until the first flap has been applied and only the second flap remains open. This further reduces the risk of the sample being put in the wrong compartment.
The flaps are preferably each provided with pressure-sensitive adhesive covered by a removable protective layer. Also, the flaps are preferably each formed with a slot extending therethrough and externally covered by a strip to be torn off for opening the associated compartment. This ensures, in a manner known per se, that the pressure-sensitive adhesive will seal the associated compartment only when intended to, as well as facilitates subsequent opening of the compartments.
The layer of pressure-sensitive adhesive on the first flap preferably surrounds the entire associated slot with a certain spacing, whereby the slot or the surrounding adhesive layer will have to be accurately positioned in relation to the opening of the compartment, this rendering production more simple and less expensive while enabling liquid-tight closure of the compartment and simplified handling.
The pressure-sensitive-adhesive layer on the second flap preferably flanks, with a certain spacing, the associated slot in the second flap closest to its outer terminal edge. This also renders less expensive and simplifies production without adversely affecting the handleability of the package. Also, it confers the additional advantage of reducing
REFERENCES:
patent: 3266712 (1986-08-01), McCleneghan
patent: 4263080 (1981-04-01), Whiting, Jr.
patent: 4744673 (1988-05-01), Nakamura
patent: 4872553 (1989-10-01), Suzuki et al.
Cedraeus Hugo
Soderholm Jan
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