US1863334A - Open bottom ventilated paper tray and process for making the same - Google Patents
Open bottom ventilated paper tray and process for making the same Download PDFInfo
- Publication number
- US1863334A US1863334A US406185A US40618529A US1863334A US 1863334 A US1863334 A US 1863334A US 406185 A US406185 A US 406185A US 40618529 A US40618529 A US 40618529A US 1863334 A US1863334 A US 1863334A
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- Prior art keywords
- tray
- blank
- same
- forming
- formation
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Classifications
-
- 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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
- B65D5/10—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end closures formed by inward-folding of self-locking flaps hinged to tubular body
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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
- Y10S229/00—Envelopes, wrappers, and paperboard boxes
- Y10S229/902—Box for prepared or processed food
- Y10S229/906—Baked goods
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1402—Packet holders
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1402—Packet holders
- Y10T24/1406—Adjustable bands
Definitions
- This invention relates to an open bottom ventilated paper tray and the process of making the same and is an improvement upon the invention disclosed in my co-pending application Serial No. 395,272 filed September 26, 1929.
- the chief object of this invention is to in-l crease the advantages of the tray disclosed in the copending application by insuring substantially rectangular or tray forming posi, tioning upon arrangement of the parts from the collapsed position into tray forming relation, a reduction in the number of operations from three to one in the movement of the parts from a collapsed position into a tray forming relation, and the interlocking connection of the several parts such that independent movement of a part is substantially prevented.
- the before mentioned application discloses the formation of a plurality of tray forming blanks in united relation.
- the present invention discloses the formation of a plurality of blanks in con nected relation and from a sheet of suitable paper stock material, the strips being positioned side by side and arranged in end to end relation and across the width of the sheet whereby continuous movement of the sheet through the forming mechanism is possible for the continuous formation of the strip blanks or step by step movement of the sheet is possible through the blank forming mechanism so that a multiplicity of blanks are simultaneously'formed and progressively formed from a sheet of paper stock material rsupplied to the forming mechanism.
- One machine at present employed in the formation of blanks of the aforesaid character is one capable of forming eighteen strips in end to end relation across the width of the sheet, and mechanism for forming the blanks when of the cylinder type provides for the continuous formation of the strips in side to side relation.
- a machine of this character has operated to form ten thousand side by side positioned strips per hour which with eighteen strips arranged end to end results in the production of approximately one hundred and eighty thousand blanks per hour.
- One feature of the present invention consists in the formation of the tray blank with interlocking bottom forming iiaps.
- Another feature of the invention consists in the formation of the tray with a pair of opposite iiaps substantially rectangular whereby a substantially rectangular form of the tray is obtained and maintained.
- a third and commercially more important feature of the invention is the scoring of a pair of opposite sides of the tray whereby the intermediate sides or ends and the scored sides may be readily collapsed for positioning parallel to the bottom so that such a tray can be'collapsed instantly and flattened to a very thin small strip for convenient and economical packing and shipping and which when presentedfor use can be instantly opened in one operation and upon opening will assume the tray forming position.
- Fig. l is a perspective View of the new tray half full of sliced bread or the like.
- Fig. 2 is a perspective top view of the tray showing the interlocking portions and the rectangular formation insuring roctangular tray formation.
- Fig. -3 is a per- -spective View of the tray blank partially opened and represents the position that the blank automatically assumes upon being released from the collapsed pressure applied position.
- tray Fig. 5 is a plan view of a portion of a sheet of paper stock showing the formation of a double blank for a pair of ltrays and adjacent portions of the blanks surrounding the saine.
- Fig. l is a perspective View of the new tray half full of sliced bread or the like.
- Fig. 2 is a perspective top view of the tray showing the interlocking portions and the rectangular formation insuring roctangular tray formation.
- Fig. -3 is a per- -spective View of the tray blank partially opened and represents the position that the blank automatically assumes upon being released from the
- FIG. 6 is a side view of a single blank and represents a secondary stage in the format-ion of the tray.
- Fig. 7 is an end View thereof.
- Fig. 8 is an end view of the tray in its collapsed position after the parts have been successively rearranged from that shown in Figs. 6 and 7 and in Figs. 3 and 4.
- the tray shown inthe drawing herein is adapted for holding or packaging bread 10 in loaf form or in sliced form or other bakery products.
- the tray is such that the bread or contents is held in position but with the maj or portion of the surface thereof exposed
- Fig. 4 is a bottom plan view of the to the atmosphere. This is desirable because of the seasoning of the bread after it is baked and before it is used. An opening must be provided to permit as much evaporation of moisture as possible and yet prevent uneven seasoning thereof or the imparting of disagreeable odors thereto.
- the tray is made from stiff but relatively flexible paper stock having some thickness and has sides 11 and ends 12 which are not very high and when used for a loaf or sliced bread its height is not more than one-third of the height of the loaf.
- the tray is rectangular in form and usually about the size adapted to receive a loaf of bread.
- Each bottom portion is integral with the adjacent side or end portion and the several bottom portions are separate from each otherand each is spaced an appreciable distance apart from the opposite bottom portion.
- each bottom portion or flap overlap for reinforcement and preferably the width of each bottom portion or flap is materially less than one-half the length of the irst bottom portion so that an appreciable central opening 13 for ventilation is provided preferably with its length exceeding half the length of the tray.
- each blank 110 indicates the sheet, of paper stock material and the sheet is cut both longitudinally and transversely to form a series of connected double blanks such as shown in Fig. 5.
- the double blank shown in Fig. is separated along the longitudinal central line 20 and each identical portion is adapted to form a. single tray.
- Each blank includes the side portions 11, the end portions 12, the end supported flaps 15, the side supported flaps 14 and a uniting tab or flap 23. The latter is suitably reduced at oppositeends as illustrated.
- eachside wall is angularly scored as at 111 and the angle of scoring is substantially 45.
- Each bottom flap 14 has its opposite ends angularly reduced as at 114 and each reduced end is slotted longitudinally as at 115.
- Each bottom flap 15 is substantially rectangular and integral with its adjacent end 12 and therefore Hap 15 extends completely across the end of the tray and forms a portion of the bottom and insures substantially parallel positioning of the sides 11 and the transverse positioning of the ends 12 therebetween so that a substantially rectangular tray is formed thereby
- the inner edge 116 of the flap 15 is receiv able by the adjacent longitudinal slots 115 when the adjacent bottom formin and 15 are interlockingly associateg together.
- end supported flap overlies the side supported flap.
- trays may be moved along an open track and the end flaps will not have a tendency to drop below the level of the bottom of the tray and engage any obstructions below suck; level.
- the same may be separated, or if a plurality of blanks are formed in succession each would be individually separated from the remainder.
- the individual elongated strip blank is folded along one of the vertical scorings or corner forming lines 21 and the tab 23 overlaps the adjacent end for securing the blank in doubled formation as shown in Figs. 6 and 7.
- This bending of the blank at the scored portion mayL take place autof matically prior to the separation of each blank from an adjacent blank or the interconnected blanks, that is those positioned side by side, but only after the end to end arranged adjacent blanks have been separated.
- the side 11 supporting tab 23 is folded toward the other end of the blank and the remote end portion is likewise folded toward the center of the blank and is positioned over the tab so that the tab lies within the tray as shown in Fig. 2 when the tray is formed.
- the same is opened into tubular arrangement with the bottom forming flaps aligned substantially in the same planes as the supporting side walltportions of the tra
- the two end su porte bottom forming aps are then turned) inwardly'4 and the two side wall supported flaps are then turned inwardly and interlockingly connected with the end wall supported bottom forming flaps.
- the seuence of the infolding may take place with tlhe bottom forming iaps turned inwardly and upwardly or the same may take place with the bottom forming flaps being turned inwardly and downwardly. In the latter event the tray is completed in inverted position.
- the completed tray is then gripped at the four corners by the two hands of the operator and the side walls are ulled4 inwardly and then the end walls are olded inwardly and over the same, the side walls breakingl or bending at the scoring 21.
- ar- 1 ranged the completed tray has all of lts parts positioned as shown in Figs. 3 and 4. Additional pressure is then applied to the end walls to fully collapse the. same Finto parallel -position relative to the bottom, and this 1 1,sas,ss4
- the operator in filling the tray merely inserts the fingers adjacent the end walls and pulls outwardly toward each end which immediately causes the side walls to open outwardly with the end walls and leaves the tray in substantially rectangular and open formation ready for article reception.
- a blank for a rectangular tray having scored portions in successive relation for the two ends and two sides of the tray, a bottom portion in scored connection with each side portion with its ends beveled substantially 45 and with a longitudinal slit in each end thereof, and the bottom end portions being rectangular and in scored connection with the ends of the tray and adapted in forming the tray to enter said slits in the ends of the longitudinal bottom portions, substantially as set forth.
- a double blank for two rectangular trays with a central longitudinal score line for separating said blank into two separate tray blanks when desired to form the trays said double blank being similarly but oppositely formed on both sides of said central score line and the sides and end portions of the trays to be formed being adjacent to each other at said central score line and the corresponding bottom members being remote from each other, said bottom members consisting of two rectangular end flaps and two side portions alternating with said bottom end flaps and their ends beveled forty-live degrees from the adjacent side portions and having about midway of their ends longitudinal slits for receiving the bottom end flaps, substantially as set forth.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
Description
J. J. HEss OPEN BOTTOM VENTILATED PAPR TRAY ANDvPROCESS FOR MAKING THE SAME Filed Nov. 11, i929 Jill!!! I l I l il l. o f WH WJ f 1 H y. .wf mi A TTORNEYS.
Patented June 14, 1932 UNITED STATES PATENT OFI-Ica JOSEPH J. HESS, OF INDIANAPOLIS, INDIANA, ASSIGNOR TO INTERNATIONAL PRINT- ING' COMPANY, OF INDIANAPOLIS, INDIANA, A CORPORATION OPEN BOTTOM VENTILATED PAPER TRAY AND PROCESS FOR MAKING THE SAME Application filed November 11, 1929. Serial No. 406,185.
This invention relates to an open bottom ventilated paper tray and the process of making the same and is an improvement upon the invention disclosed in my co-pending application Serial No. 395,272 filed September 26, 1929.
The chief object of this invention is to in-l crease the advantages of the tray disclosed in the copending application by insuring substantially rectangular or tray forming posi, tioning upon arrangement of the parts from the collapsed position into tray forming relation, a reduction in the number of operations from three to one in the movement of the parts from a collapsed position into a tray forming relation, and the interlocking connection of the several parts such that independent movement of a part is substantially prevented.
The before mentioned application discloses the formation of a plurality of tray forming blanks in united relation. The present invention discloses the formation of a plurality of blanks in con nected relation and from a sheet of suitable paper stock material, the strips being positioned side by side and arranged in end to end relation and across the width of the sheet whereby continuous movement of the sheet through the forming mechanism is possible for the continuous formation of the strip blanks or step by step movement of the sheet is possible through the blank forming mechanism so that a multiplicity of blanks are simultaneously'formed and progressively formed from a sheet of paper stock material rsupplied to the forming mechanism.
One machine at present employed in the formation of blanks of the aforesaid character is one capable of forming eighteen strips in end to end relation across the width of the sheet, and mechanism for forming the blanks when of the cylinder type provides for the continuous formation of the strips in side to side relation. A machine of this character has operated to form ten thousand side by side positioned strips per hour which with eighteen strips arranged end to end results in the production of approximately one hundred and eighty thousand blanks per hour.
One feature of the present invention consists in the formation of the tray blank with interlocking bottom forming iiaps.
Another feature of the invention consists in the formation of the tray with a pair of opposite iiaps substantially rectangular whereby a substantially rectangular form of the tray is obtained and maintained.
A third and commercially more important feature of the invention is the scoring of a pair of opposite sides of the tray whereby the intermediate sides or ends and the scored sides may be readily collapsed for positioning parallel to the bottom so that such a tray can be'collapsed instantly and flattened to a very thin small strip for convenient and economical packing and shipping and which when presentedfor use can be instantly opened in one operation and upon opening will assume the tray forming position.
The full nature of the invention will be understood from the accompanying drawing and the following description and claims In the drawing Fig. lis a perspective View of the new tray half full of sliced bread or the like. Fig. 2 is a perspective top view of the tray showing the interlocking portions and the rectangular formation insuring roctangular tray formation. Fig. -3 is a per- -spective View of the tray blank partially opened and represents the position that the blank automatically assumes upon being released from the collapsed pressure applied position. tray. Fig. 5 is a plan view of a portion of a sheet of paper stock showing the formation of a double blank for a pair of ltrays and adjacent portions of the blanks surrounding the saine. Fig. 6 is a side view of a single blank and represents a secondary stage in the format-ion of the tray. Fig. 7 is an end View thereof. Fig. 8 is an end view of the tray in its collapsed position after the parts have been successively rearranged from that shown in Figs. 6 and 7 and in Figs. 3 and 4.
The tray shown inthe drawing herein is adapted for holding or packaging bread 10 in loaf form or in sliced form or other bakery products. The tray is such that the bread or contents is held in position but with the maj or portion of the surface thereof exposed Fig. 4 is a bottom plan view of the to the atmosphere. This is desirable because of the seasoning of the bread after it is baked and before it is used. An opening must be provided to permit as much evaporation of moisture as possible and yet prevent uneven seasoning thereof or the imparting of disagreeable odors thereto.
The tray is made from stiff but relatively flexible paper stock having some thickness and has sides 11 and ends 12 which are not very high and when used for a loaf or sliced bread its height is not more than one-third of the height of the loaf. The tray is rectangular in form and usually about the size adapted to receive a loaf of bread. There is provided a Ventilating opening 18 in the bottom and extending substantially for the length of the tray. To form this there are narrow bottom portions 14 adjacent the sides 11 and there are bottom portions'15 adjacent the ends 12. Each bottom portion is integral with the adjacent side or end portion and the several bottom portions are separate from each otherand each is spaced an appreciable distance apart from the opposite bottom portion. The two adjacent bottom portions or flaps overlap for reinforcement and preferably the width of each bottom portion or flap is materially less than one-half the length of the irst bottom portion so that an appreciable central opening 13 for ventilation is provided preferably with its length exceeding half the length of the tray.
110 indicates the sheet, of paper stock material and the sheet is cut both longitudinally and transversely to form a series of connected double blanks such as shown in Fig. 5. The double blank shown in Fig. is separated along the longitudinal central line 20 and each identical portion is adapted to form a. single tray. Each blank includes the side portions 11, the end portions 12, the end supported flaps 15, the side supported flaps 14 and a uniting tab or flap 23. The latter is suitably reduced at oppositeends as illustrated.
In the formation of the blank eachside wall is angularly scored as at 111 and the angle of scoring is substantially 45. Each bottom flap 14 has its opposite ends angularly reduced as at 114 and each reduced end is slotted longitudinally as at 115. Each bottom flap 15 is substantially rectangular and integral with its adjacent end 12 and therefore Hap 15 extends completely across the end of the tray and forms a portion of the bottom and insures substantially parallel positioning of the sides 11 and the transverse positioning of the ends 12 therebetween so that a substantially rectangular tray is formed thereby The inner edge 116 of the flap 15 is receiv able by the adjacent longitudinal slots 115 when the adjacent bottom formin and 15 are interlockingly associateg together.
flaps 14- Herein the end supported flap overlies the side supported flap. Thus trays may be moved along an open track and the end flaps will not have a tendency to drop below the level of the bottom of the tray and engage any obstructions below suck; level.
The aforesaid solves one of the objections to tbe specific form of tray shown in the beforementioned application. Likewise the re'ctangular formation of the end supported bottom. flap positively insures rectangular tray formation, thus solving another objection to the specific form of the invention shown in the co-pending application.
After the double blank Vhas been formed the same may be separated, or if a plurality of blanks are formed in succession each would be individually separated from the remainder. The individual elongated strip blank is folded along one of the vertical scorings or corner forming lines 21 and the tab 23 overlaps the adjacent end for securing the blank in doubled formation as shown in Figs. 6 and 7. This bending of the blank at the scored portion mayL take place autof matically prior to the separation of each blank from an adjacent blank or the interconnected blanks, that is those positioned side by side, but only after the end to end arranged adjacent blanks have been separated. Preferably the side 11 supporting tab 23 is folded toward the other end of the blank and the remote end portion is likewise folded toward the center of the blank and is positioned over the tab so that the tab lies within the tray as shown in Fig. 2 when the tray is formed.
After the blank has been thus formed in the flat the same is opened into tubular arrangement with the bottom forming flaps aligned substantially in the same planes as the supporting side walltportions of the tra The two end su porte bottom forming aps are then turned) inwardly'4 and the two side wall supported flaps are then turned inwardly and interlockingly connected with the end wall supported bottom forming flaps. The seuence of the infolding may take place with tlhe bottom forming iaps turned inwardly and upwardly or the same may take place with the bottom forming flaps being turned inwardly and downwardly. In the latter event the tray is completed in inverted position. The completed tray is then gripped at the four corners by the two hands of the operator and the side walls are ulled4 inwardly and then the end walls are olded inwardly and over the same, the side walls breakingl or bending at the scoring 21. When thus ar- 1 ranged the completed tray has all of lts parts positioned as shown in Figs. 3 and 4. Additional pressure is then applied to the end walls to fully collapse the. same Finto parallel -position relative to the bottom, and this 1 1,sas,ss4
position is shown in Fig. 8. The fully colapsed trays are pyramided one upon the other and are then packaged in large lots and hermetically sealed for sanitary purposes. Upon breaking of the seal and release of the restraint each successive carton when removed from the pile immediately assumes the position shown in Fig. 3. This is due to the inherent spring action of the folded inside walls and their tendency to open up.
The operator in filling the tray merely inserts the fingers adjacent the end walls and pulls outwardly toward each end which immediately causes the side walls to open outwardly with the end walls and leaves the tray in substantially rectangular and open formation ready for article reception.
The invention claimed is:
1. A blank for a rectangular tray having scored portions in successive relation for the two ends and two sides of the tray, a bottom portion in scored connection with each side portion with its ends beveled substantially 45 and with a longitudinal slit in each end thereof, and the bottom end portions being rectangular and in scored connection with the ends of the tray and adapted in forming the tray to enter said slits in the ends of the longitudinal bottom portions, substantially as set forth.
2. A double blank for two rectangular trays with a central longitudinal score line for separating said blank into two separate tray blanks when desired to form the trays, said double blank being similarly but oppositely formed on both sides of said central score line and the sides and end portions of the trays to be formed being adjacent to each other at said central score line and the corresponding bottom members being remote from each other, said bottom members consisting of two rectangular end flaps and two side portions alternating with said bottom end flaps and their ends beveled forty-live degrees from the adjacent side portions and having about midway of their ends longitudinal slits for receiving the bottom end flaps, substantially as set forth.
In witness whereof, l have hereunto affixed my signature.
JOSEPH J. HESS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US406185A US1863334A (en) | 1929-11-11 | 1929-11-11 | Open bottom ventilated paper tray and process for making the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US406185A US1863334A (en) | 1929-11-11 | 1929-11-11 | Open bottom ventilated paper tray and process for making the same |
Publications (1)
Publication Number | Publication Date |
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US1863334A true US1863334A (en) | 1932-06-14 |
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ID=23606888
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Application Number | Title | Priority Date | Filing Date |
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US406185A Expired - Lifetime US1863334A (en) | 1929-11-11 | 1929-11-11 | Open bottom ventilated paper tray and process for making the same |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429191A (en) * | 1945-11-01 | 1947-10-14 | Gen Baking Company | Package |
US20170057701A1 (en) * | 2014-03-24 | 2017-03-02 | Bemis Company, Inc. | Double-bottom side-welded bag |
-
1929
- 1929-11-11 US US406185A patent/US1863334A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429191A (en) * | 1945-11-01 | 1947-10-14 | Gen Baking Company | Package |
US20170057701A1 (en) * | 2014-03-24 | 2017-03-02 | Bemis Company, Inc. | Double-bottom side-welded bag |
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