Heat transfer unit

Claim 2

A heat transfer unit comprising a multi-walled container structure embodying separate materials which are individually inactive but which on contact interact to produce a medium inducing heat transfer, said container structure including wall portions positioning one within the other and defining at least one sealed pocket and a further pocket, one of said pockets accommodating means to be treated by heat transfer, anotheR of said pockets including therein a first portion of said inactive materials, a further portion of said inactive materials for interacting with said first portion having means maintaining the same in a separated non-contacting relation to said first portion, at least one of said portions of inactive materials being disposed in peripheral contact with wall portions of said multi-walled container structure and there being means included for inducing a distributed and intimate contact between said first and said further portions of said inactive materials and their interaction in adjacent and surrounding non contacting relation to the means to be treated by heat transfer.

Claim 3

A heat transfer unit as in claim 1 wherein peripheral portions of the wall portion defining said further pocket are disposed to be surrounded by at least one of said portions of inactive material.

Claim 4

A heat transfer unit as in claim 1 wherein said further portion of said inactive materials is normally contained in a pocket commonly containing the said first portion of said materials and a flexible wall portion of said container provides the means through which pressure may be applied to the means for maintaining a separated relation of said inactive material portions.

Claim 5

A heat transfer unit as in claim 1 wherein said first and further portions of said inactive materials are disposed in their inactive state to nest one within the other.

Claim 6

A heat transfer unit as in claim 1, characterized by said one pocket accommodating means to be treated being defined in one end of said container, the wall portions of said container being integrated to form a unitary structure and produce thereby said sealed pocket and said wall portions having flexing capability through the medium of which the contact and distribution of said inactive materials may be achieved.

Claim 7

A heat transfer unit as set forth in claim 1, wherein said multi-walled container structure has said pockets defined therein by recessing at least one wall portion thereof.

Claim 8

A heat transfer unit as in claim 1 characterized by the inner of said wall portions being connected in integrated relation to the outer of said wall portions to define therebetween a space about the pocket accommodating the means to be treated by heat transfer, said space providing for the disposal about the means to be treated by heat transfer of at least a portion of the interacting materials.

Claim 9

A heat transfer unit as set forth in claim 1 characterized by the inner of said container wall portions being defined by means dependent within outer of said wall portions, with which outer of said wall portions said dependent means is integrated.

Claim 10

A heat transfer unit as set forth in claim 1 characterized by said multi-walled container structure being comprised of flexible bag-like segments including an outer bag and a plurality of inner bags, one of said inner bags defining with said outer bag said one sealed pocket and per se providing a further pocket and one of said inner bags including one of said portions of inactive material.

Claim 11

A heat transfer unit as set forth in claim 1 characterized by said pockets being formed by layered flexible material peripheral portions of which are sealingly interconnected.

Claim 12

A heat transfer unit as set forth in claim 10 characterized by said layered flexible material providing plural pockets wall portions of which are flexible and disposing one within the other to provide said one sealed pocket and said further pocket and there being flexibly displaceable means intermediate said layered material to normally separate the respective portions of inactive material, pressure on which separating means through the outermost wall portion of said container providing for communication between said respective portions of inactive material.

Claim 13

A heat transfer unit including a container having means bridging one end to depend therein and form a receptacle for means to be heat treated and define within the outer wall of said container a Relatively sealed pocket, said pocket accommodating therein a normally inactive component of a heat transfer material and in separated relation thereto a further normally inactive component of a heat transfer material which on contact with said first component will interact to provide a heat transfer medium, means normally separating said components to provide that one thereof is peripherally encompassed, at least in part, by the other, and the outer wall portion of said container providing means which when subjected to pressure will provide access between said components, said container and the means dependent therein being an integrated structure forming a unit wherein a chamber is provided about said dependent means within which said components may be shifted and moved to interact in closely surrounding relation to the means to be treated by heat transfer.

Claim 14

A heat transfer unit including a container having means bridging one end to depend therein and form a receptacle for means to be heat treated and define within the outer wall of said container a Relatively sealed pocket, said pocket accommodating therein a normally inactive component of a heat transfer material and in separated relation thereto a further normally inactive component of a heat transfer material which on contact with said first component will interact to provide a heat transfer medium, means normally separating said components to provide that one thereof is peripherally encompassed, at least in part, by the other, and the outer wall portion of said container providing means which when subjected to pressure will provide access between said components, said container and the means dependent therein being an integrated structure forming a unit wherein a chamber is provided about said dependent means within which said components may be shifted and moved to interact in closely surrounding relation to the means to be treated by heat transfer.

Claim 15

A heat transfer unit according to claim 12 characterized by said unit container being made of material deformable by hand squeezing to induce access between said components.

Claim 16

A heat transfer unit according to claim 12 wherein said container is made of film-like material subject to flexing and at least one of said components being in a flexible container disposed and arranged to rupture on pressure being applied to outer wall portions of said container.

Claim 17

An expendable package adapted to form an enclosure for means to be subjected to heat transfer including a container having flexible wall portions defining a hollow interior and a sealed pocket closed to opposite ends, within which pocket there are the respective normally inactive components of a heat transfer medium in separated relation, the means to be subjected to heat transfer being accommodated by one wall portion of said container and said container wall portions being conditioned for a squeezing pressure to induce communication between said components to effect and a contact and interaction therebetween and said sealed pocket providing a chamber within which the interacting components may be shaken to provide an enveloping heat transfer medium in respect to the means to be heat treated.

Claim 18

An expendable package adapted to form an enclosure for means to be subjected to heat transfer including a container having flexible wall portions defining a hollow interior and a sealed pocket closed to opposite ends, within which pocket there are the respective normally inactive components of a heat transfer medium in separated relation, the means to be subjected to heat transfer being accommodated by one wall portion of said container and said container wall portions being conditioned for a squeezing pressure to induce communication between said components to effect and a contact and interaction therebetween and said sealed pocket providing a chamber within which the interacting components may be shaken to provide an enveloping heat transfer medium in respect to the means to be heat treated.

Claim 19

A heat transfer unit as in claim 15 characterized by the respective wall portions of said container being of flexible film-like plastic.

Claim 20

A heat transfer unit as in claim 16 characterized by wall portions of said container forming a sealed pocket wherein one of said components is received in a loose bulk form and the other of said components is enveloped in film-like flexible material which on squeezing said container is conditioned to rupture and provide said access between said components.

Claim 21

An expendable shelf package of a product which desirably is heated or cooled before using, including a container having a hollow interior and closed at its opposite ends, means providing a product accommodating recessed pocket within the container adapted to open through one end thereof, side walls of said pocket being spaced from container side walls, the bottom of said pocket being closed and spaced from the other end of said container, the open mouth of said pocket joining to said container at its said one end, removable means seating on the said one end of said container and sealing and closing the mouth of said pocket, charges of respective components of a heat transfer material in said container in the said other end thereof, with said components being separated from the other in an inactive state and arranged to be brought in interacting contact by a squeezing pressure applied to a part of said container toward its said other end, said container providing means for said interacting components toward the said one end of the container to achieve a surrounding intimately contacting relation with the exterior of said product accommodating pocket.

Claim 22

An expendable shelf package of a product which desirably is heated or cooled before using, including a container having a hollow interior and closed at its opposite ends, means providing a product accommodating recessed pocket within the container adapted to open through one end thereof, side walls of said pocket being spaced from container side walls, the bottom of said pocket being closed and spaced from the other end of said container, the open mouth of said pocket joining to said container at its said one end, removable means seating on the said one end of said container and sealing and closing the mouth of said pocket, charges of respective components of a heat transfer material in said container in the said other end thereof, with said components being separated from the other in an inactive state and arranged to be brought in interacting contact by a squeezing pressure applied to a part of said container toward its said other end, said container providing means for said interacting components toward the said one end of the container to achieve a surrounding intimately contacting relation with the exterior of said product accommodating pocket.

Claim 23

A package according to claim 18, wherein said container is constructed of a self-supporting material and is substantially symmetrical with flattened ends whereby the package may be inverted after squeezing of sAid container means and allowed to stand in a position applying the reacting materials directly to the exterior of said pocket.

Claim 24

A package according to claim 18, wherein said removable means closing the mouth of said pocket is a thin film-like member disposing substantially in the plane of the said one end of said container.

Claim 25

A package according to claim 18, wherein the said one end of said container is configured to serve as the lip of a cup or glass.

Claim 26

A package according to claim 18, wherein the means providing said pocket is an integral part of the container projecting unitarily from the said one end thereof.

Claim 27

A package according to claim 18, wherein said container is comprised of two similar cup-like elements disposing in an opposed relation with their open ends joined together in a sealed connected relation, the bottom of one of said elements being displaced inwardly to define said pocket whereby the means providing said pocket is an integral part of the container projected unitarily from the said one end thereof.