US2552641A - Heat insulated container having foamed plastic insulation - Google Patents
Heat insulated container having foamed plastic insulation Download PDFInfo
- Publication number
- US2552641A US2552641A US640758A US64075846A US2552641A US 2552641 A US2552641 A US 2552641A US 640758 A US640758 A US 640758A US 64075846 A US64075846 A US 64075846A US 2552641 A US2552641 A US 2552641A
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- Prior art keywords
- plastic
- skin
- container
- foamed plastic
- mass
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/062—Walls defining a cabinet
- F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/10—Refrigerator top-coolers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S220/00—Receptacles
- Y10S220/14—Plastic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S220/00—Receptacles
- Y10S220/902—Foam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S62/00—Refrigeration
- Y10S62/13—Insulation
Definitions
- My invention relates to an improvement in refrigerating containers and methods of making them.
- One purpose is to provide a simple and efficient shipping container.
- Another purpose is to provide a container with a minimum heat leakage.
- Another purpose is to provide an improved closure and closure sealing means for such a container.
- Another purpose is to provide an improved method of making containers.
- I illustrate the container the major feature of which is the employment or provision of a porous insulating mass of sufficient strength to form a container and closure wall.
- This mass may be of a foaming material which is permitted or caused to harden with a multitude of bubbles or I voids, diagrammatically indicated at 2. The result is a material of substantial resistance to pressure or breakage, which is very light, anda highly eilicient heat insulation.
- I illustrate an insulating structure including the bottom mass A and walls B, the bottom and four side walls defining an open topped storage space. The otherwise open top of the space is closed by a top or closure panel of the same material, indicated at C.
- a paint or enamel surface may under some circumstances be satisfactory, or a surface of heat reflective material, such as metal foil
- the space between the upper edges 5 and 8 is preferably bridged by a seal of some material which is flexible and compressible and which is a poor conductor of heat.
- I may for exple form a seal of plastic impregnated fabric with any suitable internal padding or stufiing such as cork.
- the seal may be cemented in place by any suitable cement and is preferably so formed as to provide a more or less convex upwardly extending portion H3.
- the closure member may also have an outer wall it with side walls i2 terminating in free edges 63. It may be advantageous, although often unnecessary, to provide also an inner or bottom plate l4 having an outside edge I5 spaced inwardly from the edge I3. As a matter of convenience the edge l5 may be aligned with the side walls 4 and may overlie the edge 5 of said side walls. In the gap between the edges l3 and I5, I may provide an upper sealing pad Hi which may be identical with or have the characteristics of the lower pad 9.
- I may employ any suitable means for urging the cover C into closed position.
- I illustrate eyes 20 on the side walls I2 of the cover to which are pivoted links 2! which in turn carry pivoted levers 22, the inner ends 23 of which are adapted to engage with a securing hook or lug 24 secured to the outer face of a side wall 1.
- the outer portion of the lever 22 serves as a handle and the parts are so proportioned that when the handle 22 is pushed off center it will draw the closure C snugly downwardly against the upper face of the insulation. The result is to force the sealing pads 9 and I6 against each other and compress them, to pro vide a very effective seal. No perceptible amount of air can pass between the inside and the outside of the container. Nor is there any substantial heat leakage, since the pads 9 and 16 are resistant to the passage of heat.
- any suitable securing means may be employed, and that the individual securing means shown, if used, may be employed in any suitable numbers. It is essential that some means be provided for firmly thrusting the cover or closure C into the closed position with sufficient force to compress the opposed sealing pads 9 and it. It will be understood further that any suitable sealing means may be empolyed and that the pads herein shown are illustrative of an efficient solution of the problem.
- I may find it desirable to cast the insulating mass integrally I may form the mass in flat slabs. In that event the bottom wall and l the side walls may be assembled.
- I illustrate a container which is formed of a body of insulating material which defines and surrounds a storage area in which material to be shipped or handled may be enclosed.
- I illustrate a number of separate bodies or packages 49 which may conveniently be formed to snugly engage each other and the bounding Wall of the storage space.
- I may employ foamed plastic formed of polystyrene and air. This material is, in effect, a mass of bubbles or voids enclosed in thin plastic Walls.
- Objects formed of it may be made by being poured in the liquid form, under pressure, and allowed torise like bread, I find it efficient, when forming a container, to provide inner and outer walls or skin members whichdefine or surround the space to be filled by the foaming plastic, and I put the entire member into autoclave and subject it to suitable pressure.
- the device is ready for use, and includes not only the plastic mass itself, but whatever inner and outer Wall or skin or surface member is employed. Thusthe mass itself, and its surface members, are permanently associated while the foaming plastic is taking its final form.
- I illustrate inner walls 3, 4 and outer walls 6, 1. These may be made of a wide variety of materials, and in a wide variety of gauges.
- I may employ inner and outer Walls of sheet metal.
- the metal may be thin, merely strong enough to protect the exterior of the mass of insulation from damage or indentation, or where the member is subjected to heavy use, I may employ walls of substantial thickness and inherent strength.
- I may use a simple skin of plastic or rubber other than fabric.
- I may use metal foil, either in connection with a wall, or by itself.
- I may employ a simple cloth covering which becomesimpregnated with the plastic as it foams. In other words, I may subject a cloth layer or a cloth wall to the polystyrene, or other plastic, so that it is shaped with it and adheres to it, duringthe completion or formation of the insulating body.
- polystyrene foam tends to adhere to adjacent surfaces which it engages during its formation. I find it desirable to employ this characteristic to cause the plastic foam to adhere to whatever wall or surface member I employ to surround the foam. For example, if I employ a plastic or a fabric outside layer or surrounding Wall or skin, the skin may, in the course of the formation of the foam, be impregnated with the plastic and be adherently connected to the mass of the plastic foam. Where I employ a flexible skin, such as a fabric, I may surround the skin with a high pressure zone, and supply the liquid plastic tothe interior of the skin at a pressure very slightly exceeding the pressure of the surroundingspace or autoclave.
- the outer skin may be stiffened or supported or suspended, in the autoclave, or it may be inflated or expanded, by the foaming plastic, to its final form. It will be understood that, Where necessary, any suitable outside packing or foams may be employed, to prevent the deformation of the outer skin by the rising and expanding foam.
- An insulated container comprising a box open at the top, the bottom and side walls of the box being formed of a foamed plastic insulating mass, a thin, tough skin adherent to the 0pposed sides of the mass to form respectively an outer shell and an inner lining for the box, the skin on the outer and inner sides of the Wall terminating at a horizontal plane, and a flexible, resilient, compressible pad bridging the gap between the outer and inner skins and closing the space between them, a removable cover for the container, comprising a foamed plastic insulating mass, an outer skin adhering thereto, the skin extending down on all four sides thereof parallel with the outer skin of the box, an inner skin for the cover adhering to the plastic mass, the area of the skin conforming to the area of the inner portion of the box defined by the inner skin, a flexible, resilient, compressible pad interposed between the outer-wall of the cover and the termination of the inner wall, and means for holding the cover removably in position to close the box and hold the two compressible members
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Packages (AREA)
Description
y 1951 w. L. MORRISON 2,552,641
HEAT INSULATED CONTAINER HAVING FOAMED PLASTIC INSULATION F-iled Jan. 12, 1946 fnvenfor" Patented May 15, 1951 UNITED STATES PATENT OFFICE HEAT INSULATED CONTAINER HAVING FOAMED PLASTIC INSULATION 1 Claim.
My invention relates to an improvement in refrigerating containers and methods of making them.
One purpose is to provide a simple and efficient shipping container.
Another purpose is to provide a container with a minimum heat leakage.
Another purpose is to provide an improved closure and closure sealing means for such a container.
Another purpose is to provide an improved method of making containers.
Other purposes will appear from time to time in the course of the specification and claim.
I illustrate the invention more or less diagrammatically in the accompanying drawings where- Figure 1 is a vertical section through a typical container.
Like parts are indicated by like symbols throughout the specification and drawings.
Referring to Figure l, I illustrate the container the major feature of which is the employment or provision of a porous insulating mass of sufficient strength to form a container and closure wall. This mass, indicated generally at I, may be of a foaming material which is permitted or caused to harden with a multitude of bubbles or I voids, diagrammatically indicated at 2. The result is a material of substantial resistance to pressure or breakage, which is very light, anda highly eilicient heat insulation. In Figure 1 I illustrate an insulating structure including the bottom mass A and walls B, the bottom and four side walls defining an open topped storage space. The otherwise open top of the space is closed by a top or closure panel of the same material, indicated at C.
In the formation of the device it may be advantageous to provide an outside finish or walls.
Whereas a paint or enamel surface may under some circumstances be satisfactory, or a surface of heat reflective material, such as metal foil, I find it in general advantageous to provide an inner shell of metal having a bottom wall 3 and side walls 4 which terminate at their upper edges as at 5. I may also employ an outer shell having a bottom wall 6 and side walls I terminating at their upper edges as at 8. The space between the upper edges 5 and 8 is preferably bridged by a seal of some material which is flexible and compressible and which is a poor conductor of heat. I illustrate such a seal as at 9. I may for exple form a seal of plastic impregnated fabric with any suitable internal padding or stufiing such as cork. The seal may be cemented in place by any suitable cement and is preferably so formed as to provide a more or less convex upwardly extending portion H3. The closure member may also have an outer wall it with side walls i2 terminating in free edges 63. It may be advantageous, although often unnecessary, to provide also an inner or bottom plate l4 having an outside edge I5 spaced inwardly from the edge I3. As a matter of convenience the edge l5 may be aligned with the side walls 4 and may overlie the edge 5 of said side walls. In the gap between the edges l3 and I5, I may provide an upper sealing pad Hi which may be identical with or have the characteristics of the lower pad 9.
I may employ any suitable means for urging the cover C into closed position. As a matter of convenience I illustrate eyes 20 on the side walls I2 of the cover to which are pivoted links 2! which in turn carry pivoted levers 22, the inner ends 23 of which are adapted to engage with a securing hook or lug 24 secured to the outer face of a side wall 1. The outer portion of the lever 22 serves as a handle and the parts are so proportioned that when the handle 22 is pushed off center it will draw the closure C snugly downwardly against the upper face of the insulation. The result is to force the sealing pads 9 and I6 against each other and compress them, to pro vide a very effective seal. No perceptible amount of air can pass between the inside and the outside of the container. Nor is there any substantial heat leakage, since the pads 9 and 16 are resistant to the passage of heat.
It will be understood, of course, that any suitable securing means may be employed, and that the individual securing means shown, if used, may be employed in any suitable numbers. It is essential that some means be provided for firmly thrusting the cover or closure C into the closed position with sufficient force to compress the opposed sealing pads 9 and it. It will be understood further that any suitable sealing means may be empolyed and that the pads herein shown are illustrative of an efficient solution of the problem.
Whereas I may find it desirable to cast the insulating mass integrally I may form the mass in flat slabs. In that event the bottom wall and l the side walls may be assembled.
It will also be understood that I may find it advantageous to employ the inner and outer shells themselves as a form between which the insulating material may be poured Whi1e it is still in liquid condition. In that event any suitable means may be employed for spacing the shells apart and for holding them in their desired location. Such means are not indicated herein since a wide variety of means are available.
Whereas I have illustrated my invention as applied to a shipping container it will be understood that it may also be applied to insulation of fixed refrigerating equipment or to the insulation of freight cars, airplanes or the like. It will be understood that whereas I have described and shown a practical and operative device and method, nevertheless many changes may be made in size, shape, number and disposition of parts and in detail and order of steps without departing from the spirit of the invention.
It will be realized that whereas I have shown and described an operative device, still many changes in the size, shape, number and disposition of parts may be made without departing materially from the spirit of my inventionand I wish, therefore, that my showing be taken as in a large sense as diagrammatic.
The use and operation of this invention are as follows:
I illustrate a container which is formed of a body of insulating material which defines and surrounds a storage area in which material to be shipped or handled may be enclosed. For example, I illustrate a number of separate bodies or packages 49 which may conveniently be formed to snugly engage each other and the bounding Wall of the storage space. As an available and efficient insulating material I may employ foamed plastic formed of polystyrene and air. This material is, in effect, a mass of bubbles or voids enclosed in thin plastic Walls. Objects formed of it may be made by being poured in the liquid form, under pressure, and allowed torise like bread, I find it efficient, when forming a container, to provide inner and outer walls or skin members whichdefine or surround the space to be filled by the foaming plastic, and I put the entire member into autoclave and subject it to suitable pressure. When the formation of the plastic insulating mass is complete, the device is ready for use, and includes not only the plastic mass itself, but whatever inner and outer Wall or skin or surface member is employed. Thusthe mass itself, and its surface members, are permanently associated while the foaming plastic is taking its final form. Whereas, I have,
illustrated my methodas applied to a simple shipping container, it will be understood that it may be applied to a wide variety of containers or receptacles, including freight cars, truck bodies, and large storing and shipping units.
In Figure 1, I illustrate inner walls 3, 4 and outer walls 6, 1. These may be made of a wide variety of materials, and in a wide variety of gauges. For example, I may employ inner and outer Walls of sheet metal. The metal may be thin, merely strong enough to protect the exterior of the mass of insulation from damage or indentation, or where the member is subjected to heavy use, I may employ walls of substantial thickness and inherent strength. Where extreme lightness is desired, I may use a simple skin of plastic or rubber other than fabric. Where additional insulating effect is desired, I may use metal foil, either in connection with a wall, or by itself. I may employ a simple cloth covering which becomesimpregnated with the plastic as it foams. In other words, I may subject a cloth layer or a cloth wall to the polystyrene, or other plastic, so that it is shaped with it and adheres to it, duringthe completion or formation of the insulating body.
Whereas, in the drawing I have illustrated one type of cover or closure, and an efficient and usable sealing, it Will be understood that any other suitable cover or closure means may be employed, with whatever securing means is desired.
One characteristic of the above-mentioned polystyrene foam is that it tends to adhere to adjacent surfaces which it engages during its formation. I find it desirable to employ this characteristic to cause the plastic foam to adhere to whatever wall or surface member I employ to surround the foam. For example, if I employ a plastic or a fabric outside layer or surrounding Wall or skin, the skin may, in the course of the formation of the foam, be impregnated with the plastic and be adherently connected to the mass of the plastic foam. Where I employ a flexible skin, such as a fabric, I may surround the skin with a high pressure zone, and supply the liquid plastic tothe interior of the skin at a pressure very slightly exceeding the pressure of the surroundingspace or autoclave. The outer skin may be stiffened or supported or suspended, in the autoclave, or it may be inflated or expanded, by the foaming plastic, to its final form. It will be understood that, Where necessary, any suitable outside packing or foams may be employed, to prevent the deformation of the outer skin by the rising and expanding foam.
I claim:
An insulated container comprising a box open at the top, the bottom and side walls of the box being formed of a foamed plastic insulating mass, a thin, tough skin adherent to the 0pposed sides of the mass to form respectively an outer shell and an inner lining for the box, the skin on the outer and inner sides of the Wall terminating at a horizontal plane, and a flexible, resilient, compressible pad bridging the gap between the outer and inner skins and closing the space between them, a removable cover for the container, comprising a foamed plastic insulating mass, an outer skin adhering thereto, the skin extending down on all four sides thereof parallel with the outer skin of the box, an inner skin for the cover adhering to the plastic mass, the area of the skin conforming to the area of the inner portion of the box defined by the inner skin, a flexible, resilient, compressible pad interposed between the outer-wall of the cover and the termination of the inner wall, and means for holding the cover removably in position to close the box and hold the two compressible members together.
WILLARD L. MORRISON.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,397,842 Netzel Nov. 22, 1921 1,435,526 Johnston et a1 Nov. 14, 1922 1,570,617 Copeman Jan. 26, 1926 1,752,295 Felix Apr. 1, 1930 1,828,481 Trobridge et al Oct. 20, 1931 1,958,131 Davidson May 8, 1934 2,054,323 Holbrook Sept. 15, 1936 2,054,754 Kellogg Sept. 15, 1936 2,059,801 Lindsay Nov. 3, 1936 2,091,335 Roberts et al Aug. 31, 1937 2,106,840 Gould Feb. 1, 1938 2,121,052 Roberts et al June 21, 1938 2,147,886 Devine Feb. 21, 1939 2,206,757 Talalay July 2, 1940 2,216,785 Roberts Oct. 8, 1940 2,216,830 Roberts Oct. 8, 1940 2,256,206 Knight Sept. 16, 1941 2,278,441 Harrison et al Apr. 7, 1942 2,308,970 Carter Jan. 19, 1943 2,358,962 Cunningham Sept. 26, 1944 FOREIGN PATENTS Number Country Date 454,933 Great Britain Oct. 6, 1936
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US640758A US2552641A (en) | 1946-01-12 | 1946-01-12 | Heat insulated container having foamed plastic insulation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US640758A US2552641A (en) | 1946-01-12 | 1946-01-12 | Heat insulated container having foamed plastic insulation |
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US2552641A true US2552641A (en) | 1951-05-15 |
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US640758A Expired - Lifetime US2552641A (en) | 1946-01-12 | 1946-01-12 | Heat insulated container having foamed plastic insulation |
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Cited By (114)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE924153C (en) * | 1952-01-22 | 1955-02-28 | Uerdingen Ag Waggonfabrik | Transportable cooler for vehicles |
US2717045A (en) * | 1949-09-28 | 1955-09-06 | Daimler Benz Ag | Heating and cooling system for vehicle passenger and battery compartments |
US2728702A (en) * | 1951-07-13 | 1955-12-27 | Lockheed Aircraft Corp | Composite cellular plastic structure |
US2730772A (en) * | 1953-06-22 | 1956-01-17 | Gustaf P Jones | Trailer wall construction |
DE940354C (en) * | 1952-03-08 | 1956-03-15 | Delta Kuehlschrank G M B H | Process for the production of large-capacity isolation containers for vehicles, isolation rooms or the like. |
US2770406A (en) * | 1954-06-28 | 1956-11-13 | St Regis Paper Co | Carton construction |
US2776776A (en) * | 1952-07-11 | 1957-01-08 | Gen Electric | Liquefied gas container |
US2782887A (en) * | 1952-02-09 | 1957-02-26 | Zimmermann Friedrich | Window construction |
US2782956A (en) * | 1954-10-28 | 1957-02-26 | Frederick H Richman | Insulated drum |
US2786596A (en) * | 1953-10-23 | 1957-03-26 | Bassick Co | Closure means for box lids |
US2800243A (en) * | 1954-11-26 | 1957-07-23 | Albert A Ondrejka | Multiple wall container and method of construction |
US2801199A (en) * | 1953-07-10 | 1957-07-30 | Eagle Picher Co | Method of making a resilient foamfilled article |
US2803368A (en) * | 1954-12-06 | 1957-08-20 | Maurice P Koch | Thermal insulated carrying cases and sealing means for same |
DE1016281B (en) * | 1954-09-04 | 1957-09-26 | Ver Korkindustrie Ag | Process for making a refrigerator |
DE1016992B (en) * | 1955-06-21 | 1957-10-03 | Basf Ag | Process for the production of pipe thermal insulation from hardenable, foam-shaped synthetic resins |
DE1041512B (en) * | 1956-01-13 | 1958-10-23 | Knapsack Ag | Storage of a lying container for cryogenic liquids |
US2857931A (en) * | 1955-03-24 | 1958-10-28 | R W Mfg Co | Insulated pipe and method of making the same |
US2924861A (en) * | 1957-07-16 | 1960-02-16 | Charles W Viets | Flush type door having foamed plastic filler and method of constructing |
US2924860A (en) * | 1957-03-25 | 1960-02-16 | Parham | Thermally insulating door |
US2927712A (en) * | 1958-06-23 | 1960-03-08 | Sr Albert Armato | Cooler unit |
US2945717A (en) * | 1955-10-17 | 1960-07-19 | Jim P Wilkirson | Sealing construction for caskets |
US2960216A (en) * | 1958-08-12 | 1960-11-15 | Raymond P Brady | Insulated receptacle |
US2961116A (en) * | 1956-01-03 | 1960-11-22 | Applied Radiation Corp | Thermally insulated wall structure |
US2961478A (en) * | 1957-10-10 | 1960-11-22 | Mcmillan Ind Corp | Insulating and shielding enclosure |
US2962183A (en) * | 1957-11-14 | 1960-11-29 | Gen Motors Corp | Refrigerator cabinet |
US2970347A (en) * | 1957-05-16 | 1961-02-07 | Gen Am Transport | Hatch plugs |
US2973295A (en) * | 1957-05-08 | 1961-02-28 | Crown Zellerbach Corp | Process of incorporating foamable materials in corrugated paperboard and the article derived therefrom |
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US2974390A (en) * | 1959-02-26 | 1961-03-14 | Nelson Sydney | Burial caskets |
US2975618A (en) * | 1959-12-30 | 1961-03-21 | Phelan Louis A M | Continuous freezer |
US2978136A (en) * | 1958-06-10 | 1961-04-04 | Westinghouse Electric Corp | Laminated panel cabinet structure |
US2979246A (en) * | 1956-05-07 | 1961-04-11 | Lord Baltimore Press Inc | Foam plastic coated carton |
US2979170A (en) * | 1959-07-20 | 1961-04-11 | Harry E Lotz | Combined travelling case and head protector |
US2981984A (en) * | 1959-06-18 | 1961-05-02 | B Orr R F D John | Plastic coatings for containers |
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US2994425A (en) * | 1959-01-23 | 1961-08-01 | Harry M Honeycutt | Package |
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US3050208A (en) * | 1959-09-25 | 1962-08-21 | Robert L Irvine | Storage vessel |
US3062698A (en) * | 1955-10-17 | 1962-11-06 | Monsanto Chemicals | Method for laminating paper and textile materials to foamed thermoplastic resin forms |
US3069041A (en) * | 1956-10-17 | 1962-12-18 | Montedison Spa | Thermos container and method for making |
US3078003A (en) * | 1960-07-25 | 1963-02-19 | Gen Motors Corp | Refrigerator cabinet construction |
US3077979A (en) * | 1960-02-29 | 1963-02-19 | Empire Corp | Sample container |
US3082899A (en) * | 1959-03-24 | 1963-03-26 | Mickleover Transp Ltd | Bodies for vehicles |
US3084824A (en) * | 1959-12-08 | 1963-04-09 | Allied Chem | Carboy package |
US3093259A (en) * | 1960-03-03 | 1963-06-11 | Liquefreeze Company Inc | Insulating container |
US3094448A (en) * | 1959-03-09 | 1963-06-18 | Nelson F Cornelius | Method of making insulated plastic containers |
US3096440A (en) * | 1959-01-22 | 1963-07-02 | Lockheed Aircraft Corp | Calorimetric radiation dosimeter |
US3099482A (en) * | 1962-01-30 | 1963-07-30 | R S Woodruff & Co | Combined ice chest, seat, life preserver, and reversible back |
US3101862A (en) * | 1958-01-15 | 1963-08-27 | Union Carbide Corp | Container construction using load carrying insulation |
US3106307A (en) * | 1960-08-03 | 1963-10-08 | Liquefreeze Company Inc | Insulated container |
US3112624A (en) * | 1961-10-25 | 1963-12-03 | Gen Motors Corp | Refrigerating apparatus including insulation material |
US3118800A (en) * | 1959-08-21 | 1964-01-21 | Standard Plastics Inc | Method and apparatus for making flexible conduits having an annular wall of foamed plastic |
US3118194A (en) * | 1961-02-01 | 1964-01-21 | Service Nat Dit Gaz De France | Method of insulating tanks for storing or transporting low-temperature liquids |
US3120110A (en) * | 1961-10-11 | 1964-02-04 | Dairy Equipment Co | Vacuum milk cooler |
US3126591A (en) * | 1964-03-31 | Hamilton | ||
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US4756678A (en) * | 1986-03-03 | 1988-07-12 | Long Mile Rubber Company | Arcuate plate device for tire retreading apparatus |
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US20050173323A1 (en) * | 2003-10-28 | 2005-08-11 | Meuleners William J. | Designs for filtration systems within appliances |
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US3126591A (en) * | 1964-03-31 | Hamilton | ||
US2717045A (en) * | 1949-09-28 | 1955-09-06 | Daimler Benz Ag | Heating and cooling system for vehicle passenger and battery compartments |
US2728702A (en) * | 1951-07-13 | 1955-12-27 | Lockheed Aircraft Corp | Composite cellular plastic structure |
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US2782887A (en) * | 1952-02-09 | 1957-02-26 | Zimmermann Friedrich | Window construction |
DE940354C (en) * | 1952-03-08 | 1956-03-15 | Delta Kuehlschrank G M B H | Process for the production of large-capacity isolation containers for vehicles, isolation rooms or the like. |
US2776776A (en) * | 1952-07-11 | 1957-01-08 | Gen Electric | Liquefied gas container |
US2730772A (en) * | 1953-06-22 | 1956-01-17 | Gustaf P Jones | Trailer wall construction |
US2801199A (en) * | 1953-07-10 | 1957-07-30 | Eagle Picher Co | Method of making a resilient foamfilled article |
US2786596A (en) * | 1953-10-23 | 1957-03-26 | Bassick Co | Closure means for box lids |
DE1101463B (en) * | 1954-02-04 | 1961-03-09 | Constock Liquid Methane Corp | Large capacity container for storing or transporting liquefied hydrocarbon gases at around atmospheric pressure |
US2770406A (en) * | 1954-06-28 | 1956-11-13 | St Regis Paper Co | Carton construction |
DE1016281B (en) * | 1954-09-04 | 1957-09-26 | Ver Korkindustrie Ag | Process for making a refrigerator |
US2782956A (en) * | 1954-10-28 | 1957-02-26 | Frederick H Richman | Insulated drum |
US2800243A (en) * | 1954-11-26 | 1957-07-23 | Albert A Ondrejka | Multiple wall container and method of construction |
US2803368A (en) * | 1954-12-06 | 1957-08-20 | Maurice P Koch | Thermal insulated carrying cases and sealing means for same |
US2857931A (en) * | 1955-03-24 | 1958-10-28 | R W Mfg Co | Insulated pipe and method of making the same |
DE1016992B (en) * | 1955-06-21 | 1957-10-03 | Basf Ag | Process for the production of pipe thermal insulation from hardenable, foam-shaped synthetic resins |
US2983963A (en) * | 1955-07-20 | 1961-05-16 | Electrolux Ab | Method of making multidensity expanded plastic body |
US2945717A (en) * | 1955-10-17 | 1960-07-19 | Jim P Wilkirson | Sealing construction for caskets |
US3062698A (en) * | 1955-10-17 | 1962-11-06 | Monsanto Chemicals | Method for laminating paper and textile materials to foamed thermoplastic resin forms |
US2961116A (en) * | 1956-01-03 | 1960-11-22 | Applied Radiation Corp | Thermally insulated wall structure |
DE1041512B (en) * | 1956-01-13 | 1958-10-23 | Knapsack Ag | Storage of a lying container for cryogenic liquids |
US2979246A (en) * | 1956-05-07 | 1961-04-11 | Lord Baltimore Press Inc | Foam plastic coated carton |
US3037652A (en) * | 1956-09-18 | 1962-06-05 | Owens Illinois Glass Co | Receptacle having protective coating |
US3069041A (en) * | 1956-10-17 | 1962-12-18 | Montedison Spa | Thermos container and method for making |
US3000058A (en) * | 1956-10-19 | 1961-09-19 | Philco Corp | Method of fabricating refrigerator doors |
US2924860A (en) * | 1957-03-25 | 1960-02-16 | Parham | Thermally insulating door |
US2973295A (en) * | 1957-05-08 | 1961-02-28 | Crown Zellerbach Corp | Process of incorporating foamable materials in corrugated paperboard and the article derived therefrom |
US2970347A (en) * | 1957-05-16 | 1961-02-07 | Gen Am Transport | Hatch plugs |
US2924861A (en) * | 1957-07-16 | 1960-02-16 | Charles W Viets | Flush type door having foamed plastic filler and method of constructing |
US2961478A (en) * | 1957-10-10 | 1960-11-22 | Mcmillan Ind Corp | Insulating and shielding enclosure |
US2962183A (en) * | 1957-11-14 | 1960-11-29 | Gen Motors Corp | Refrigerator cabinet |
US3101862A (en) * | 1958-01-15 | 1963-08-27 | Union Carbide Corp | Container construction using load carrying insulation |
US2978136A (en) * | 1958-06-10 | 1961-04-04 | Westinghouse Electric Corp | Laminated panel cabinet structure |
US2927712A (en) * | 1958-06-23 | 1960-03-08 | Sr Albert Armato | Cooler unit |
US2960216A (en) * | 1958-08-12 | 1960-11-15 | Raymond P Brady | Insulated receptacle |
US3041679A (en) * | 1958-09-29 | 1962-07-03 | Revco Inc | Refrigerator and freezer door construction |
US3096440A (en) * | 1959-01-22 | 1963-07-02 | Lockheed Aircraft Corp | Calorimetric radiation dosimeter |
US2994425A (en) * | 1959-01-23 | 1961-08-01 | Harry M Honeycutt | Package |
US2974390A (en) * | 1959-02-26 | 1961-03-14 | Nelson Sydney | Burial caskets |
US3094448A (en) * | 1959-03-09 | 1963-06-18 | Nelson F Cornelius | Method of making insulated plastic containers |
US3082899A (en) * | 1959-03-24 | 1963-03-26 | Mickleover Transp Ltd | Bodies for vehicles |
US3150796A (en) * | 1959-04-28 | 1964-09-29 | Electrolux Ab | Refrigerator cabinet |
US2981984A (en) * | 1959-06-18 | 1961-05-02 | B Orr R F D John | Plastic coatings for containers |
US2979170A (en) * | 1959-07-20 | 1961-04-11 | Harry E Lotz | Combined travelling case and head protector |
US3007594A (en) * | 1959-08-06 | 1961-11-07 | Owens Illinois Glass Co | Plastic coated articles and method for making the same |
US3118800A (en) * | 1959-08-21 | 1964-01-21 | Standard Plastics Inc | Method and apparatus for making flexible conduits having an annular wall of foamed plastic |
US3170828A (en) * | 1959-09-25 | 1965-02-23 | Robert L Irvine | Method of making a storage vessel with a distended hemispherical roof |
US3050208A (en) * | 1959-09-25 | 1962-08-21 | Robert L Irvine | Storage vessel |
US3084824A (en) * | 1959-12-08 | 1963-04-09 | Allied Chem | Carboy package |
US2975618A (en) * | 1959-12-30 | 1961-03-21 | Phelan Louis A M | Continuous freezer |
US3308608A (en) * | 1960-01-28 | 1967-03-14 | Electrolux Ab | Vacuum cleaner |
US3077979A (en) * | 1960-02-29 | 1963-02-19 | Empire Corp | Sample container |
US3093259A (en) * | 1960-03-03 | 1963-06-11 | Liquefreeze Company Inc | Insulating container |
US3158459A (en) * | 1960-03-22 | 1964-11-24 | & Chantiers De La Seine Mariti | Self-discharging container for conveying and storing low temperature fluids or othermaterials |
US3078003A (en) * | 1960-07-25 | 1963-02-19 | Gen Motors Corp | Refrigerator cabinet construction |
US3106307A (en) * | 1960-08-03 | 1963-10-08 | Liquefreeze Company Inc | Insulated container |
US3031856A (en) * | 1960-08-17 | 1962-05-01 | Exxon Research Engineering Co | Vessel for transporting low temperature liquids |
US3028042A (en) * | 1960-10-24 | 1962-04-03 | Gotham Ind Inc | Portable ice chest |
US3155751A (en) * | 1960-11-07 | 1964-11-03 | Whirlpool Co | Method of making an insulated structure |
US3118194A (en) * | 1961-02-01 | 1964-01-21 | Service Nat Dit Gaz De France | Method of insulating tanks for storing or transporting low-temperature liquids |
US3157306A (en) * | 1961-03-06 | 1964-11-17 | Philco Corp | Cabinet structure |
US3163434A (en) * | 1961-03-14 | 1964-12-29 | Dairy Equipment Co | Truck tank |
US3164880A (en) * | 1961-03-24 | 1965-01-12 | Bruce M Hotchkiss | Plastic casket |
US3144167A (en) * | 1961-07-19 | 1964-08-11 | American Can Co | Foamed plastic containier |
US3152716A (en) * | 1961-08-02 | 1964-10-13 | Expandolite Inc | Container |
US3221085A (en) * | 1961-08-28 | 1965-11-30 | Gen Motors Corp | Process of making an insulated cabinet |
US3204385A (en) * | 1961-10-05 | 1965-09-07 | Continental Aviat & Eng Corp | Method of packaging articles in foam plastic |
US3120110A (en) * | 1961-10-11 | 1964-02-04 | Dairy Equipment Co | Vacuum milk cooler |
US3152199A (en) * | 1961-10-23 | 1964-10-06 | Gen Electric | Method of manufacturing insulated refrigerator cabinets |
US3112624A (en) * | 1961-10-25 | 1963-12-03 | Gen Motors Corp | Refrigerating apparatus including insulation material |
US3176055A (en) * | 1961-11-16 | 1965-03-30 | Loos Edward | Plastic boat hull |
US3163435A (en) * | 1961-12-11 | 1964-12-29 | Dairy Equipment Co | Transport tank |
US3099482A (en) * | 1962-01-30 | 1963-07-30 | R S Woodruff & Co | Combined ice chest, seat, life preserver, and reversible back |
US3155264A (en) * | 1962-02-15 | 1964-11-03 | Shook Alvin Lee | Cases for photographic film |
US3177848A (en) * | 1962-03-06 | 1965-04-13 | Jeanette L Rubricius | Small animal cage with connectible drainage troughs |
US3283386A (en) * | 1962-03-09 | 1966-11-08 | Hitco | Casket formed from composite plastic layers |
US3160306A (en) * | 1962-03-30 | 1964-12-08 | Phillips Petroleum Co | Storage and transportation case |
US3265783A (en) * | 1963-04-02 | 1966-08-09 | Gen Motors Corp | Method including the preventing of bulging of the walls enclosing a space during themolding insitu of foamable plastic materials |
US3189243A (en) * | 1963-05-21 | 1965-06-15 | Haveg Industries Inc | Containers made from plastic foam sheet |
US3221954A (en) * | 1963-06-11 | 1965-12-07 | Haveg Industries Inc | Blow molded foamed plastic container |
US3275179A (en) * | 1963-10-23 | 1966-09-27 | Haveg Industries Inc | Spin welded thermoplastic container |
US3290198A (en) * | 1963-10-23 | 1966-12-06 | Haveg Industries Inc | Method of forming a series of unfilled containers from thermoplastic tubing |
US3236373A (en) * | 1963-11-07 | 1966-02-22 | Haveg Industries Inc | Cigarette package |
US3378612A (en) * | 1964-01-07 | 1968-04-16 | Fmc Corp | Method of making foamed articles |
US3327882A (en) * | 1964-05-27 | 1967-06-27 | Ureseal Corp | Shipping containers |
US3416692A (en) * | 1964-07-01 | 1968-12-17 | Firestone Tire & Rubber Co | Shipping container |
US3363796A (en) * | 1964-09-04 | 1968-01-16 | Exxon Research Engineering Co | Insulated cargo container |
US3272378A (en) * | 1964-09-18 | 1966-09-13 | Haveg Industries Inc | Thermoformed bottle case |
US3397806A (en) * | 1964-10-06 | 1968-08-20 | John P. Glass | Foamed plastic container with hinged closure |
US3442415A (en) * | 1964-10-06 | 1969-05-06 | Cava Ind | Foamed plastic container with hinged closure |
US3416691A (en) * | 1965-06-23 | 1968-12-17 | Hamilton Skotch Corp | Thermally insulated container |
US3491171A (en) * | 1965-06-24 | 1970-01-20 | Johns Manville | Method for forming thermally insulated pipe |
US3315846A (en) * | 1965-06-24 | 1967-04-25 | Landis H Richard | Liquid cooling and dispensing device |
US3389824A (en) * | 1966-12-07 | 1968-06-25 | Coleman Co | Picnic chest construction |
US3613933A (en) * | 1968-01-30 | 1971-10-19 | Erwin Pilz | Warmth-maintaining utensils |
US3707243A (en) * | 1970-01-20 | 1972-12-26 | Philips Corp | Refrigerator cabinets |
US3684123A (en) * | 1970-08-10 | 1972-08-15 | Aladdin Ind Inc | Stacked insulated cups |
US3883027A (en) * | 1972-10-26 | 1975-05-13 | Walter Schneider | Container in particular for use as bathroom cabinet |
US4082825A (en) * | 1973-06-27 | 1978-04-04 | Franklin Manufacturing Company | Method of constructing a refrigeration cabinet |
US3985511A (en) * | 1975-08-25 | 1976-10-12 | Inter Dyne | Constant temperature bath for laboratory use |
US4307288A (en) * | 1977-01-24 | 1981-12-22 | Wesley-Jessen Inc. | Sterilizer |
US4111476A (en) * | 1977-06-15 | 1978-09-05 | Jacobs Stanley A | Latch handle and container lock |
US4590360A (en) * | 1982-10-29 | 1986-05-20 | Compagnie Europeenne Pour L'equipement Menager "Cepem" | Cooking chamber apparatus |
US4584822A (en) * | 1984-03-07 | 1986-04-29 | Sealed Air Corporation | Method of packing objects and packing therefor |
US4756678A (en) * | 1986-03-03 | 1988-07-12 | Long Mile Rubber Company | Arcuate plate device for tire retreading apparatus |
US5875916A (en) * | 1997-11-13 | 1999-03-02 | Crockett, Sr.; Larry | Protective storage housing |
US6967051B1 (en) | 1999-04-29 | 2005-11-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Thermal insulation systems |
US20050173323A1 (en) * | 2003-10-28 | 2005-08-11 | Meuleners William J. | Designs for filtration systems within appliances |
US8123038B1 (en) * | 2006-10-06 | 2012-02-28 | Lam Research Corporation | Floater packaging |
US20100112307A1 (en) * | 2008-10-30 | 2010-05-06 | Gary Duncan | Metallized insulative labeling material |
US20120227323A1 (en) * | 2009-07-17 | 2012-09-13 | Whirlpool Corporation | Method of making an appliance door |
US9310123B2 (en) * | 2009-07-17 | 2016-04-12 | Whirlpool Corporation | Method of making an appliance door |
US20110284556A1 (en) * | 2010-05-19 | 2011-11-24 | Plymouth Foam, Inc. | Insulated Shipping Container |
US20150104549A1 (en) * | 2013-10-14 | 2015-04-16 | Roberto Leopoldo CASTRO GENERA | Process for deep thermal treatment of corn, for high-yield production of whole nixtamal (boiled corn) and reactor for obtaining the necessary conditions for the process |
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