US3166227A - Protective pads for packing - Google Patents

Protective pads for packing Download PDF

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Publication number
US3166227A
US3166227A US181561A US18156162A US3166227A US 3166227 A US3166227 A US 3166227A US 181561 A US181561 A US 181561A US 18156162 A US18156162 A US 18156162A US 3166227 A US3166227 A US 3166227A
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Prior art keywords
pad
pads
packing
pad elements
elements
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US181561A
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Richard W Ragnow
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/053—Corner, edge or end protectors
    • B65D81/055—Protectors contacting three surfaces of the packaged article, e.g. three-sided edge protectors
    • B65D81/056—Protectors contacting three surfaces of the packaged article, e.g. three-sided edge protectors the surfaces being generally perpendicular to each other, e.g. three-sided corner protectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D2581/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D2581/051—Details of packaging elements for maintaining contents at spaced relation from package walls, or from other contents
    • B65D2581/052—Materials
    • B65D2581/055—Plastic in general, e.g. foamed plastic, molded plastic, extruded plastic

Definitions

  • My invention relates generally to the packaging art and more specifically to the production of compressible protective pads utilized in packaging.
  • my invention relates to novel packaging pads, such as corner pads, which may be produced in flat form to facilitate shipment and storage and which may be readily assembled on the job as required.
  • my invention relates to novel multi-piece angular packing pads, such as corner pads, which may be molded from expandable polystyrene, expandable polyethylene, polyester, polyether, epoxy foams, and other synthetics commonly used as protective cushioning materials.
  • a still further object of my invention is the provision of devices of the type immediately above described which may be produced in large numbers in blanket form for flat storage and shipment, and which may be readily separated from said blanket, in the desired form, as required.
  • a still further object of my invention is the provision of devices of the type immediately above described in which the cooperating pad elements may be formed during the molding process upon a flexible sheet which, when the individual devices are cut away from the blanket, serves as a hinge between the cooperating pad sections.
  • FIG. 1 is a schematic view in perspective illustrating a form of apparatus utilizable in the production of my novel cushioning pads
  • FIG. 2 is a view in top plan of a blanket comprising a plurality of pad-forming elements from which a number of my novel cushioning pads may be formed;
  • FIG. 3 is a view in perspective of a three section corner pad separated out from the blanket of FIG. 2;
  • FIG. 4 is a view corresponding to FIG. 3 but showing the pad elements in their assembled relationship, some parts being broken away and some parts being shown in section;
  • FIG. 5 is a view in vertical section taken on the line 55 of FIG. 4;
  • FIG. 6 is a sectional view in perspective of va packing carton showing my novel corner pads in operative position therein.
  • the reference character 1 indicates in its entirety a conventional molding press the base plate thereof being identified by the numeral 2 and the platen by 3.
  • the base plate 2 is formed to provide a plurality of longitudinally and laterally spaced cavities 4 which are separated by wall-forming partitions 5.
  • certain of the side Walls 5:: of the partitions 5 are beveled at 45 angles with respect to the fiat bottoms 6 of the cavities 4, Whereas other side walls 5b extend substantially at right angles thereto.
  • certain of the double side walls 542 are provided with lug forming recesses 50, whereas others thereof are provided with recess forming lugs 5d.
  • each of the cavities 4 is filled to a desired level with expandable polyethylene, polystyrene, epoxy foams or the like, a flexible sheet or webbing 7, preferably the full width of the mold, is drawn thereover from a suitable source such as a roll 8.
  • a suitable source such as a roll 8.
  • the platen 3 is then lowered into clamping engagement with the'base plate 2 with the sheet 7 therebetween, and suitable heat is applied to the mold to expand the plastic within the recesses.
  • each generally rectangular pad element 9 is made to adhere firmly to the backing sheet 7 to form a blanket identified by reference character A in FIG. 2.
  • pads which form the corner of a cube.
  • Such pads comprise three identical pad elements 9a, 9b and which are tied together by the backing sheet 7 to form a unitary structure, identified in its entirety by the numeral 10.
  • the pad elements 9b and 9c have side wa1lportions 11 which are beveled at 45 to provide mitered joints with the similarly beveled side wall portions 12 of the pad elements 90, 90, respectively, when the parallel front and back surfaces 13, 14, respectively, of each cooperating pair of pads are disposed in the angularly dis posed operative position of FIG. 4.
  • each of the side wall portions 12 is provided with a central lug 15 which is snugly frictionally received within a cooperating recess 16 in the wall 11.
  • This feature is of importance in holding the cooperating pairs of pad elements 9 in their operative angular position when they are initially placed into position, as shown in FIG. 6.
  • the flexible backing 7 between the pad elements 9, which provides a hinge for swinging movements of one with respect to the other, is identified by the numeral 17.
  • the lines of severance therebetween are identified by y.
  • the lines y may be perforated or otherwise weakened.
  • a number of blankets A may be shipped in flat form to the ultimate user, such as the manufacturer of television sets or the like. The user, in turn, stores them in fiat form and tears them off along the severance lines y when needed, at which time the pad elements 9 are swung into their operative angular positions with the lugs 15, 21 associated with beveled walls 12, 19 snugly received within the recesses 16, 20 of the cooperating beveled walls 11-18.
  • FIG. 6 illustrates a pair of the assembled units 10 in operative position inside of a carton B.
  • the eight corners of a television set, not shown, are receivable one each within one of said assembled units 10. In this manner the set is afforded maximum protection against shock during handling occasioned by shipment and storage.
  • Angular packaging pads of various shapes such as L- shape, channel-shape, and even box shape, may be formed in accordance with my present invention. However, in each case it is the novel relationship of the one or more hingedly connected cooperating pairs of pad elements 9 which makes it possible to form the pads in blanket form for storage and shipment and subsequent severance and assembly as needed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buffer Packaging (AREA)

Description

Jan. 19, 1965 R. w. RAGNOW 3,166,227
PROTECTIVE PADS FOR PACKING Filed March 22, 1962 2 Sheets-Sheet 1 INVENTOR. Y; RICHARD W122i}? 9 BY V v e ATTORNE YS Jan. 19, 1965 R. w. RAGNOW 3,166,227
PROTECTIVE PADS FOR PACKING Filed March 22, 1962 2 Sheets-Sheet 2 FIG. 3 Z,
INVENTOR. RICHARD WHA a/vow A T TOPNEYS United States Patent 3,166,227 PROTECTIVE PADS FOR PACKING Richard W. Ragnow, Stevens Point, Wis.
(Rte. 2, Box 433, Cedarburg, Wis.) Filed Mar. 22, 1962, Ser. No. 181,561 3 Claims. (Cl. 229-14) My invention relates generally to the packaging art and more specifically to the production of compressible protective pads utilized in packaging.
More specifically, my invention relates to novel packaging pads, such as corner pads, which may be produced in flat form to facilitate shipment and storage and which may be readily assembled on the job as required.
Still more specifically, my invention relates to novel multi-piece angular packing pads, such as corner pads, which may be molded from expandable polystyrene, expandable polyethylene, polyester, polyether, epoxy foams, and other synthetics commonly used as protective cushioning materials.
A still further object of my invention is the provision of devices of the type immediately above described which may be produced in large numbers in blanket form for flat storage and shipment, and which may be readily separated from said blanket, in the desired form, as required.
A still further object of my invention is the provision of devices of the type immediately above described in which the cooperating pad elements may be formed during the molding process upon a flexible sheet which, when the individual devices are cut away from the blanket, serves as a hinge between the cooperating pad sections.
The above and still further objects of my invention will become apparent from the following detailed specification, appended claims and attached drawings.
Referring to the drawings wherein like characters indicate like parts throughout the several views:
FIG. 1 is a schematic view in perspective illustrating a form of apparatus utilizable in the production of my novel cushioning pads;
FIG. 2 is a view in top plan of a blanket comprising a plurality of pad-forming elements from which a number of my novel cushioning pads may be formed;
FIG. 3 is a view in perspective of a three section corner pad separated out from the blanket of FIG. 2;
FIG. 4 is a view corresponding to FIG. 3 but showing the pad elements in their assembled relationship, some parts being broken away and some parts being shown in section;
FIG. 5 is a view in vertical section taken on the line 55 of FIG. 4; and
FIG. 6 is a sectional view in perspective of va packing carton showing my novel corner pads in operative position therein.
Referring initially to FIG. 1, the reference character 1 indicates in its entirety a conventional molding press the base plate thereof being identified by the numeral 2 and the platen by 3. As shown, the base plate 2 is formed to provide a plurality of longitudinally and laterally spaced cavities 4 which are separated by wall-forming partitions 5. For a purpose which will hereinafter become apparent, certain of the side Walls 5:: of the partitions 5 are beveled at 45 angles with respect to the fiat bottoms 6 of the cavities 4, Whereas other side walls 5b extend substantially at right angles thereto. Furthermore, and for a purpose which will hereinafter become apparent, certain of the double side walls 542 are provided with lug forming recesses 50, whereas others thereof are provided with recess forming lugs 5d. When each of the cavities 4 is filled to a desired level with expandable polyethylene, polystyrene, epoxy foams or the like, a flexible sheet or webbing 7, preferably the full width of the mold, is drawn thereover from a suitable source such as a roll 8. The platen 3 is then lowered into clamping engagement with the'base plate 2 with the sheet 7 therebetween, and suitable heat is applied to the mold to expand the plastic within the recesses. During this curing process, each generally rectangular pad element 9 is made to adhere firmly to the backing sheet 7 to form a blanket identified by reference character A in FIG. 2.
While my invention relates generally to angular packing pads of varying shapes, I hereinafter, for purposes of illustration, describe packing pads which form the corner of a cube. Such pads, in accordance with my invention, comprise three identical pad elements 9a, 9b and which are tied together by the backing sheet 7 to form a unitary structure, identified in its entirety by the numeral 10. As shown, the pad elements 9b and 9c have side wa1lportions 11 which are beveled at 45 to provide mitered joints with the similarly beveled side wall portions 12 of the pad elements 90, 90, respectively, when the parallel front and back surfaces 13, 14, respectively, of each cooperating pair of pads are disposed in the angularly dis posed operative position of FIG. 4.
Preferably, and as shown, each of the side wall portions 12 is provided with a central lug 15 which is snugly frictionally received within a cooperating recess 16 in the wall 11. This feature is of importance in holding the cooperating pairs of pad elements 9 in their operative angular position when they are initially placed into position, as shown in FIG. 6. The flexible backing 7 between the pad elements 9, which provides a hinge for swinging movements of one with respect to the other, is identified by the numeral 17.
As shown in FIG. 3, when three pad elements 9 are secured together in angular relationship to form a corner of a cube, the side wall 18 of the pad element 90 and the side wall 19 of the pad element 9b are likewise beveled at 45, the former being provided with a recess 20 whereas the latter is provided with a cooperating lug 21.
In the blanket A of FIG. 2, wherein a large number of unitary structures 10 are formed, the lines of severance therebetween are identified by y. For purposes of facilitating severance, the lines y of course may be perforated or otherwise weakened. As above indicated, a number of blankets A may be shipped in flat form to the ultimate user, such as the manufacturer of television sets or the like. The user, in turn, stores them in fiat form and tears them off along the severance lines y when needed, at which time the pad elements 9 are swung into their operative angular positions with the lugs 15, 21 associated with beveled walls 12, 19 snugly received within the recesses 16, 20 of the cooperating beveled walls 11-18. FIG. 6 illustrates a pair of the assembled units 10 in operative position inside of a carton B. The eight corners of a television set, not shown, are receivable one each within one of said assembled units 10. In this manner the set is afforded maximum protection against shock during handling occasioned by shipment and storage.
Angular packaging pads of various shapes, such as L- shape, channel-shape, and even box shape, may be formed in accordance with my present invention. However, in each case it is the novel relationship of the one or more hingedly connected cooperating pairs of pad elements 9 which makes it possible to form the pads in blanket form for storage and shipment and subsequent severance and assembly as needed.
What is claimed is:
1. In a device of the class described,
(a) a pair of cooperating pad elements having opposed front and back surfaces and substantially abutting side edge portions,
(b) a flexible sheet-like backing member attached to (d) one of said pad elements defining a recess in thesaid back wall surfaces and providing a" hinge con- 2. The structure defined in claim 1 in which said pad nection between said pad elements, elements are formed from compressible foam-like plastic.
(c) said side edge portions being beveled to provide 3. The structure defined in claim 1 in which said pad 21 mitered joint when said pad elements are disposed elements are formed from compressible foam-like plastic at right angles to each other, providing resilient 5 in which said backing member completely covers the back cushioning material throughout all surfaces of said wall surfaces of said pad elements.
1 corner Pa References Cited in the file of this patent beveled edge portion thereof, UNITED STATES PATENTS nd th th r f aid pad elements having a lug 10 2242 741 Betts et a1 3; 1941 extending outwardly from its beveled edge portion 2863595 Emery i Dec 1958 and frictionally received in said recess when said pad g "f" elements are disposed at substantially right angles to FOREIGN PATENTS ach other to frictionally hold said pad elements in 832,101 Great Britain APR-6,1960
said angularly disposed relationship 15 1,102,644 Germany Mar.'16, 1961

Claims (1)

1. IN A DEVICE OF THE CLASS DESCRIBED, (A) A PAIR OF COOPERATING PAD ELEMENTS HAVING OPPOSED FRONT AND BACK SURFACES AND SUBSTANTIALLY ABUTTING SIDE EDGE PORTIONS, (B) A FLEXIBLE SHEET-LIKE BACKING MEMBER ATTACHED TO SAID BACK WALL SURFACES AND PROVIDING A HINGE CONNECTION BETWEEN SAID PAD ELEMENTS,
US181561A 1962-03-22 1962-03-22 Protective pads for packing Expired - Lifetime US3166227A (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3251460A (en) * 1965-03-15 1966-05-17 W D Adam Company Inc Cushioned package
US3266705A (en) * 1965-01-11 1966-08-16 Republic Packaging Corp Cushioned box
US3302782A (en) * 1964-10-20 1967-02-07 Corning Glass Works Adjustable corner packaging pad
US3334798A (en) * 1965-03-02 1967-08-08 Corning Glass Works General purpose packing material
US3339722A (en) * 1965-10-08 1967-09-05 Vanant Company Inc Package and cushioning strip for fragile articles
US3410474A (en) * 1967-05-10 1968-11-12 Keil Brothers Inc Protective corner pad for packing
US3445553A (en) * 1965-04-02 1969-05-20 James S Hardigg Method of making a shock isolator element for cushioned container unit
US3493449A (en) * 1965-10-12 1970-02-03 Freudenberg Carl Process for the manufacture of molded foam articles from polyurethanes
US3580469A (en) * 1969-09-08 1971-05-25 Logistics Ind Corp Corner pad
US3695421A (en) * 1970-09-08 1972-10-03 Harry G Wood Package assembly and cushion therefor
JPS50146983U (en) * 1974-05-20 1975-12-05
JPS515574U (en) * 1974-08-14 1976-01-16
JPS52133774U (en) * 1976-04-06 1977-10-11
JPS53106364U (en) * 1977-01-31 1978-08-26
JPS53144473U (en) * 1977-04-19 1978-11-14
JPS53144474U (en) * 1977-04-19 1978-11-14
US4390337A (en) * 1981-11-24 1983-06-28 Sealed Air Corporation Apparatus having an automatic foam dispensing system for forming shock-absorbing members in a container
US6000545A (en) * 1998-10-02 1999-12-14 Smith; Steven H. Foldable packaging device for protecting articles within a box and the like
US6488153B1 (en) * 1997-11-25 2002-12-03 International Business Machines Corporation Cushioning member
US20050217205A1 (en) * 2004-03-29 2005-10-06 Drew Thomas J Corner protector
US20060278555A1 (en) * 2005-06-09 2006-12-14 Herbert Langer Readily Configurable Plastic Foam Packaging
US20090120034A1 (en) * 2004-03-29 2009-05-14 Drew Thomas J Corner protector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242741A (en) * 1939-03-30 1941-05-20 Michigan Carton Company Carton
US2863595A (en) * 1953-11-23 1958-12-09 Keyes Fibre Co Molded pulp packaging members
GB832101A (en) * 1957-07-19 1960-04-06 Hairlok Company Ltd Improvements in resilient pads
DE1102644B (en) * 1958-01-11 1961-03-16 Eisfink Carl Fink O H G Packaging for large goods

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242741A (en) * 1939-03-30 1941-05-20 Michigan Carton Company Carton
US2863595A (en) * 1953-11-23 1958-12-09 Keyes Fibre Co Molded pulp packaging members
GB832101A (en) * 1957-07-19 1960-04-06 Hairlok Company Ltd Improvements in resilient pads
DE1102644B (en) * 1958-01-11 1961-03-16 Eisfink Carl Fink O H G Packaging for large goods

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302782A (en) * 1964-10-20 1967-02-07 Corning Glass Works Adjustable corner packaging pad
US3266705A (en) * 1965-01-11 1966-08-16 Republic Packaging Corp Cushioned box
US3334798A (en) * 1965-03-02 1967-08-08 Corning Glass Works General purpose packing material
US3251460A (en) * 1965-03-15 1966-05-17 W D Adam Company Inc Cushioned package
US3445553A (en) * 1965-04-02 1969-05-20 James S Hardigg Method of making a shock isolator element for cushioned container unit
US3339722A (en) * 1965-10-08 1967-09-05 Vanant Company Inc Package and cushioning strip for fragile articles
US3493449A (en) * 1965-10-12 1970-02-03 Freudenberg Carl Process for the manufacture of molded foam articles from polyurethanes
US3410474A (en) * 1967-05-10 1968-11-12 Keil Brothers Inc Protective corner pad for packing
US3580469A (en) * 1969-09-08 1971-05-25 Logistics Ind Corp Corner pad
US3695421A (en) * 1970-09-08 1972-10-03 Harry G Wood Package assembly and cushion therefor
JPS50146983U (en) * 1974-05-20 1975-12-05
JPS515574U (en) * 1974-08-14 1976-01-16
JPS52133774U (en) * 1976-04-06 1977-10-11
JPS53106364U (en) * 1977-01-31 1978-08-26
JPS53144473U (en) * 1977-04-19 1978-11-14
JPS53144474U (en) * 1977-04-19 1978-11-14
JPS5759502Y2 (en) * 1977-04-19 1982-12-18
JPS5759501Y2 (en) * 1977-04-19 1982-12-18
US4390337A (en) * 1981-11-24 1983-06-28 Sealed Air Corporation Apparatus having an automatic foam dispensing system for forming shock-absorbing members in a container
US6488153B1 (en) * 1997-11-25 2002-12-03 International Business Machines Corporation Cushioning member
US6000545A (en) * 1998-10-02 1999-12-14 Smith; Steven H. Foldable packaging device for protecting articles within a box and the like
US20050217205A1 (en) * 2004-03-29 2005-10-06 Drew Thomas J Corner protector
US7441740B2 (en) * 2004-03-29 2008-10-28 Drew Thomas J Corner protector
US20090120034A1 (en) * 2004-03-29 2009-05-14 Drew Thomas J Corner protector
US8356788B2 (en) 2004-03-29 2013-01-22 Drew Thomas J Corner protector
US20060278555A1 (en) * 2005-06-09 2006-12-14 Herbert Langer Readily Configurable Plastic Foam Packaging
US7654391B2 (en) * 2005-06-09 2010-02-02 Langer Associates, Inc. Readily configurable plastic foam packaging

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