EP2226130A1 - Procédé de tri et installation de tri dotée de deux groupes distincts de dispositif d'émission - Google Patents

Procédé de tri et installation de tri dotée de deux groupes distincts de dispositif d'émission Download PDF

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Publication number
EP2226130A1
EP2226130A1 EP10154196A EP10154196A EP2226130A1 EP 2226130 A1 EP2226130 A1 EP 2226130A1 EP 10154196 A EP10154196 A EP 10154196A EP 10154196 A EP10154196 A EP 10154196A EP 2226130 A1 EP2226130 A1 EP 2226130A1
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EP
European Patent Office
Prior art keywords
sorting
output device
run
output devices
matrix
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP10154196A
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German (de)
English (en)
Inventor
Zsolt Balogh
Armin Zimmermann
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Siemens AG
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Siemens AG
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Publication date
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Publication of EP2226130A1 publication Critical patent/EP2226130A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00—Sorting according to destination

Definitions

  • the invention relates to a method and a device for sorting objects, in particular flat mail items.
  • a method having the features of the preamble of claim 1 and an apparatus having the features of the preamble of claim 8 are made FR 2792227 A1 and DE 60001405 T2 known.
  • sorting machine In FR 2792227 A1 and DE 60001405 T2 a sorting system for postal items is described.
  • This sorting machine (“machine de tri") has several output devices in the form of sorting compartments ("cases 12"), which are numbered consecutively. Each bin has a certain capacity for receiving mail (“capartz pourwoods moulds”). These sorting compartments 12 may be assigned different degrees of filling ("taux de remplissagedeck").
  • a sorting plan in the form of a matrix (“matrice”, cf. Fig. 4 ) assigns a sort bin to each possible delivery address of a mailing. In one embodiment, the sorting plan of Fig.
  • a reader (“lendel 20") reads in a first sorting pass ("passe de tri") the respective delivery address on a letter.
  • the sorting system discharges the mail item into that sorting compartment which assigns the sorting plan to the read delivery address.
  • the mailpieces are again fed to the sorting machine, maintaining a certain order among the mailpieces, and the mailings pass through the sorting unit again.
  • a reader 112 reads sorting information, e.g. For example, a ZIP code.
  • the mail items are divided according to a sorting scheme according to the respective destination address, ie the sorting information, onto the sorting compartments.
  • the sorting plan is generated in advance.
  • the mailpieces to be sorted are divided into groups, e.g. Depending on their ZIP codes. For each group, it is counted how many mailings this group consists of. Each group is then assigned at least one large capacity bin. If the large capacity bins are insufficient, each remaining group is assigned a lower capacity bin.
  • EP 1393823 A2 is attributed to a sorting system with a plurality of sorting bins ("bins"), which are arranged in two levels, cf. Fig. 4 ,
  • the upper level bins have a lower capacity than the lower level bins. because the subjects of the upper level are ergonomically less accessible.
  • WO 02/00362 A2 For example, a sorting arrangement and a sorting method for sorting mailpieces in a single pass are described. In each case an area with possible delivery points is associated with a sorting system with several output devices ("bins") and a reader. Several such sorting plants are connected to the sorting arrangement.
  • a sorting system in addition to the output devices (“bins") still has buffer memory (“cells 402"), the latches 402 are arranged in a "cell rack", see. Fig. 4 , Each buffer 402 are assigned possible delivery points and a maximum level. If a buffer 402 is filled to the maximum fill level, then another mail item, which is actually intended to reach this buffer 402, is put into an overflow buffer ("overflow cell 402a"). This overflow buffer 402a is logically connected to the actually provided pocket 402. A controller (“control unit 112”) then allocates an overflow buffer 402a to a buffer 402 during sorting if, during the sorting run, the buffer 402 is filled and another mail item should actually arrive in this buffer 402. A system operator is signaled in which buffer 402, 402a postal items for a particular delivery point area have been discharged.
  • Postal items are sorted into two passes.
  • the sorting runs are carried out by a sorting system with several output devices ("outputs").
  • Each sorting run uses a sorting plan. This sorting order assigns an output device to each possible delivery point of a mail item.
  • the mailpieces are sorted in accordance with the respective sorting plan, with the respective destination address being read and the mailing being ejected into an output device depending on the destination address.
  • a sorting system breaks down mail onto bins. If a sorting compartment 14 is completely filled, the mailpieces are temporarily stored, eg. B. in a container 16, and go through the sorting system again. When refilling mail from a container 16, the order of mail is maintained.
  • EP 785828 B1 A method for sorting mailpieces will be described. There two embodiments are presented, how a sorting system sorts flat mailings according to predetermined sorting classes in output devices.
  • all dispensers are arranged in series in a string. If a sorting class is assigned a plurality of output devices, objects of this sorting class are first discharged into a first assigned output device until this output device reaches a predetermined fill level. Subsequently, articles are discharged into a second associated output device and so on. Thereafter, all dispensers are emptied.
  • the dispensers are split into two strands.
  • Each sorting class is assigned in each case an output device of the first and the second string.
  • the objects of a sorting class are alternately discharged into the first and the second strand.
  • the invention has for its object to provide a method having the features of the preamble of claim 1 and an apparatus having the features of the preamble of claim 8, in which the sorting system is better utilized.
  • the method according to the invention is carried out by means of a sorting system which has a plurality of output devices.
  • the output devices are divided into at least two groups
  • the sorting system sorts the items in at least two consecutive sorting runs. In the first sorting pass, the sorting system measures for each item to be sorted, what value a given feature for this item accepts. In every subsequent sorting run, the sorting system determines this characteristic value.
  • the sorting system discharges each article into a respective output device, depending on the feature value of the article and in that the sorting system in each case applies a predetermined computer-available sorting plan per sorting run.
  • This sorting plan assigns each output to each possible feature value.
  • the sorting plan can vary from sorting run to sorting run. Typically, a sorting plan allocates the same output device to a plurality of feature values because there are more possible feature values than output devices.
  • Each sorting plan allocates fewer feature values to an output device of the second group than this sorting plan assigns to a first output device feature values. As a rule, this causes fewer objects to be discharged into an output device of the second group.
  • the output devices of the second group also offer less space for rejecting, as they are assigned fewer feature values.
  • the articles are removed from the output devices and returned to the sorting system.
  • a predetermined feed order is met.
  • the sorting system should meet ergonomic requirements.
  • Some dispensers are lighter and thus more ergonomic to reach than other dispensers.
  • the output devices are arranged in at least two output rows, which are perpendicular or obliquely one above the other. This arrangement requires less footpint than placing the dispensers at the same height.
  • the flip side is that the one edition series is less accessible, usually the output series above.
  • the invention shows a way in which the effects of this disadvantage can be reduced without sacrificing the advantage of the smaller area requirement.
  • the output devices of the less accessible output queue (the second group) assigns each sorting plan fewer feature values than the output devices of the better accessible first group.
  • the sorting system is able to sort more different feature values than the sorting system has output devices. It is possible that, after the last sorting run, items are sorted according to feature values in each output device. Because after the first sorting a further sorting run is performed, all items must be removed at least once from the output devices and fed back to the sorting system, the feed order must be followed. For this very reason, the sorting system according to the invention uses less achievable output devices less frequently for discharging than better achievable. The invention ensures that this advantage is actually achieved.
  • the invention shows a way on how a sorting system also sorts under this high-throughput condition.
  • the first group consists of ergonomically accessible output devices.
  • the output devices of the second group may be less accessible. Because fewer possible feature values are assigned to them, they are less frequently used for rejection and contain fewer items on average.
  • the method according to the solution does not assume that it is already known before the first sorting run how many articles each have which feature value. Furthermore, it is not necessary, the objects in advance according to feature values to group. Therefore, it is possible to generate the sorting plan before the first sorting pass and before the arrival of items.
  • the feature whose respective value is measured is, for example, a dimension or a physical size of the object or also details of a destination address to which the object is to be transported and with which the object is identified.
  • each output device has a maximum Ausschleusabunk each.
  • This maximum reject dimension limits the space that an output device provides for receiving articles.
  • Each output device of the first group has a larger Ausschleusabunk than each output device of the second group.
  • the output devices of a group can all have the same discharge dimension or different discharge dimensions. This refinement makes it easier for a sorting plan to provide that an output device of the first group is assigned more possible feature values than an output device of the second group.
  • the respective sorting plan for a sorting run is automatically derived from a predetermined computer-available target result of the last sorting run.
  • the invention makes it possible to describe the desired sorting result in the form of a matrix and to derive from this matrix stepwise matrices for the preceding sorting runs. This is achieved with the help of wildcards.
  • the solution sorting plant comprises two arrangements with output devices, for. B. two rows or carousels.
  • the one arrangement contains only larger output devices, ie those of the first group, and is ergonomically located.
  • the other arrangement contains only smaller output devices, ie those of the second group.
  • the two arrangements are preferably arranged vertically or obliquely one above the other. This will achieve that the large output devices are arranged conveniently.
  • flat mail items (standard letters, large letters, postcards, catalogs, etc.) are sorted.
  • Each mail item is provided with information about the respective destination address ("delivery point") to which the item of mail is to be transported.
  • Fig. 1 schematically shows the sorting system of the embodiment from above.
  • Fig. 2 schematically shows the two output rows R1, R2 of output devices of the sorting system of Fig. 1 from the front.
  • the flat mail items are sorted using a sorting system.
  • a stack of mailpieces is fed to the sorting system.
  • a separator ("singulator") of a feeder ZE ("feeder") successively pulls each one mail item from the stack.
  • the occasional mail items pass through the sorting system one after the other. Most of the time the mail items are here on one edge.
  • a reading device LE deciphers the respective destination address of the mailpiece, either automatically by "Optical Character Recognition” (OCR) or manually by "Video Coding” or by a combination of OCR with Video Coding.
  • OCR Optical Character Recognition
  • a discharge device SG determines depending on the respectively recognized destination address, in which output device of the sorting system a mail item is to be ejected, and subsequently discharges this mail item into this output device.
  • the sorting system has the output devices AE1, AE2, ..., AE6.
  • the first three output devices AE1, AE2, AE3 each have a smaller capacity than the last three output devices AE4, AE5, AE6.
  • the smaller output devices AE1, AE2, AE3 are each capable of accommodating 56 flat mailpieces of average thickness, the larger output devices AE4, AE5, AE6 each receive 72 mailings.
  • the smaller output devices AE1, AE2, AE3 have - as seen in the discharge direction - a smaller depth than the larger output devices AE4, AE5, AE6. This depth acts in the embodiment as the Ausschleusabunk the output devices.
  • the sorting system of Fig. 1 has two output rows R1, R2 of superimposed output devices.
  • the three smaller output devices AE1, AE2, AE3, in the lower output series R1 are the three larger output devices AE4, AE5, AE6.
  • a sorting machine with N output devices in n sort runs can sort to N (exp n) different destination addresses.
  • the output devices AE1, AE2,... are emptied one after the other, and the mailpieces are returned to the feed device ZE.
  • the mail items go through the sorting system again in a subsequent sorting run.
  • the sorting system sorts once a day the incoming mail items that are to be transported to these 192 different destination addresses. For example, from operating logs it is known that a maximum of two mail items arrive per day and destination address.
  • the three output devices AE1, AE2, AE3 of the first output series R1 can receive the daily incoming mailpieces for each 28 different destination addresses, the three output devices AE4, AE5, AE6 of the second output series R2 mailpieces for each 36 different destination addresses.
  • the three sorting runs are carried out in such a way that after the third (last) sorting run in the first three output devices AE1, AE2, AE3, mailpieces for every 28 different destination addresses are sorted according to destination addresses.
  • the last three output devices AE4, AE5, AE6 are mail items for each 36 different destination addresses, and also sorted by destination addresses.
  • the mail items to the same destination address are in the same output device after the third sorting pass.
  • the destination addresses are arranged in a delivery order, z. B. predetermined by sequences of mail carriers.
  • the mail items whose destination addresses the sorting plan of the third sorting pass assigns the same output device are sorted in the third sorting pass into this output device sorted in this order. All mail items to the same destination address are located after the third sorting run immediately after one another in the output device, ie without a mail item being located at another destination address between two mailpieces at the same destination address.
  • mailpieces for two different destination addresses are separated from each other by a respective separating element.
  • a separator z. B a separation card is used, which can be distinguished visually from the Pot layouten because of their size or color, or stickers or labels.
  • mail items for two different destination addresses are not separated from each other after the third sorting run.
  • a deliverer manually separates the mailpieces for different destination addresses.
  • Each sorting run uses a computer-available sorting plan.
  • a target sorting result which the sorting system should have produced after the third sorting pass, is specified.
  • the just-mentioned delivery order is specified among the 192 destination addresses, preferably in accordance with predetermined course sequences of letter carriers.
  • the destination addresses are labeled with numbers from 1 to 192 according to this delivery order.
  • a sorting plan generator S-Gen generates these sorting plans and stores them in the data storage DS.
  • the mailpieces are to be at destination addresses 29-56, in that order, and so forth.
  • This desired sorting result is described by a matrix M3 which is present to the sorting system in computer-available form.
  • This matrix M3 is stored in the data memory DS.
  • Fig. 5 shows this matrix M3 for the sorting system of Fig. 1 which describes the target sorting result after the third sorting pass.
  • Each column of the matrix M3 stands for an output device.
  • This matrix M3 contains as many lines as the largest output device can accommodate different destination addresses. In the exemplary embodiment, the matrix M3 therefore has 6 columns (one column per output device) and 36 lines because the larger output devices AE4, AE5, AE6 are able to receive mailpieces for respectively 36 different destination addresses.
  • the matrix M3 describes the target sorting result after the last (the nth) sorting pass through a sorting system with N output devices.
  • the matrix M3 has N columns.
  • the sorting system is able to sort different destination addresses in the n sorting runs to a maximum of N (exp n).
  • the matrix M3 contains max. N (exp n) possible destination addresses distributed on N columns, that is about N (exp n-1) rows. If n> 1, the matrix M3 has more rows than columns.
  • the sorting plan generator S-Gen automatically generates the sorting plan for the third sorting run from this matrix M3 and stores it in the data storage DS.
  • This sorting plan specifies that all mailpieces to the destination addresses 1 to 28 are to be transferred out into the first output device AE1, All mail to the destination addresses 29 to 56 in the second output device AE2 and so on.
  • the sorting plan generator S-Gen also automatically generates a matrix M2 for the second sorting pass.
  • This matrix M2 is stored in the data memory DS.
  • Fig. 4 shows this matrix M2 for the second sorting pass.
  • the six elements of the first row of M3 are used as the first six elements of the first column of M2.
  • the six elements of the second row of M3 are used as the next six elements of the first column of M2, and so on.
  • the matrix M2 is thus filled in columns, beginning with the first column of M2, then the second column and so on.
  • these first six elements are three placeholders and the three destination addresses 85, 121 and 157.
  • the six elements of the second row of M3 are used as the next six elements of the first column of M2, in the exemplary embodiment the destination address 1, then two placeholders , then destination addresses 86, 122, 158.
  • the sorting plan for the second sorting run is generated from the matrix M2.
  • the matrix M2 and the sorting plan for the second sorting run are also stored in the data memory DS.
  • the matrix M1 for the first sorting run is derived from the matrix M2.
  • Matrix M1 automatically derives the sorting plan for the first sorting run.
  • Fig. 3 shows this matrix M1 for the first sorting pass.
  • This matrix M1 as well as the sorting plan for the first sorting pass are also stored in the data memory DS.
  • the mail items to be sorted reach the sorting system in a random order.
  • the reading device LE determines the respective destination address of each mailpiece. This destination address is buffered. Either a coding of the destination address, for. B. in the form of a bar pattern ("bar code"), printed on the mailpiece. Or a feature vector with optically measurable features of the mailpiece is generated and stored together with the destination address. This method is known as a "fingerprint" and is z. In US 6888084 B1 described.
  • the discharge device SG discharges the mailpieces in accordance with the sorting plan for the first sorting pass.
  • the discharge device SG ejects a mail item depends on the destination address of the mailpiece and on which output device the sorting plan for the first sorting pass assigns to this destination address.
  • the discharge device SG discharges the mailpieces with the destination addresses 11, 17, 23, 32,..., 187 into the output device AE1, the mailpieces with the destination addresses 1, 12, 18,..., 188 into the output device AE2 immediately.
  • the dispensers are emptied according to a predetermined feed order.
  • this is the sequence AE1, then AE2, then AE3, then AE4, then AE5 and finally AE6.
  • All mail items from the first output device AE1 are returned to the sorting system, for. B. in containers or by means of a conveyor belt or by means of a Umlade vite, z. B. as in EP 634957 B1 or in DE 4236507 C1 described.
  • the ejection order among the mailpieces of an output device is preferably maintained.
  • the mail items of the second output device AE2 are returned to the sorting system and so on.
  • time is saved during the sorting, in that the two steps that after the first sorting run the output devices are emptied and the sorting system ejects mailpieces in the second sorting run are carried out overlapping in time.
  • the mail items which are discharged in the first sorting run are separated from the mail items which the sorting unit discharges in the subsequent second sorting run into the same output device.
  • the sorting system when it has completed the first sorting pass, discharges into each dispensing device a separating element which is optically distinguishable from the mailpieces.
  • This separator is located - seen against the stacking direction - behind the stack of mail items, which has discharged the sorting in the first sorting.
  • the separating element separates this stack from the first sorting pass from those mailpieces which are discharged into the same output device in the subsequent second sorting pass.
  • a boundary element in the form of a paddle is spent behind each stack after the first sorting pass.
  • This limiting element is movably connected to the output device and can be moved in the stacking direction. Due to the fact that the sorting system discharges further mail items into the output device in the second sorting pass, the paddle is displaced in the stacking direction, e.g. B. against the force of a spring.
  • the mail items from the first output device AE1 again pass through the sorting system, then the mail items from the second output device AE2 and so on.
  • the outfeed device SG discharges the mailpieces in accordance with the sorting plan for the second sorting pass.
  • the sorting system determines the respective destination address of each mail item.
  • the discharge device SG reads in the sorting plan for the second sorting run from the data store DS.
  • the sorting system reads that bar pattern on the respective mail item which codes the destination address that was read in the first sorting pass.
  • the sorting system generates a feature vector of each mail item in each case and compares this feature vector with stored feature vectors.
  • the information is also stored for each output device as to which mailpieces with which destination addresses have been ejected in which order into this output device. Because the mail items are fed back to the sorting system according to the predetermined feed order under output devices, a desired feed order can be reconstructed among the mailpieces.
  • the feature vectors are generated and compared with stored feature vectors, even if the actual feed order among the Mailings deviates from the target delivery order to be able to correctly determine the respective destination address.
  • the second sorting cycle is completed. Again, the dispensers are emptied according to the feeding order, and the mailpieces are fed again to the sorting machine according to the feeding order, while keeping the discharging order of the second sorting pass.
  • the mail items go through the sorting system again in the third sorting pass, and the discharge device SG discharges the mailpieces in accordance with the sorting plan for the third sorting pass.
  • the mailpieces are in accordance with the predetermined target sorting result in the six output devices AE1, AE2, ....

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EP10154196A 2009-03-03 2010-02-22 Procédé de tri et installation de tri dotée de deux groupes distincts de dispositif d'émission Withdrawn EP2226130A1 (fr)

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DE102009011428A DE102009011428A1 (de) 2009-03-03 2009-03-03 Sortierverfahren und Sortieranlage mit zwei verschiedenen Gruppen von Ausgabeeinrichtung

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017192824A1 (fr) * 2016-05-06 2017-11-09 United States Postal Service Système et procédé de tri et de livraison d'articles
US9849487B2 (en) 2014-11-13 2017-12-26 United States Postal Service System and method of sorting and sequencing items
US10974283B2 (en) 2017-10-05 2021-04-13 United States Postal Service System and method of sorting and sequencing items

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DE4236507C1 (de) 1992-10-29 1993-12-02 Licentia Gmbh Umladebrücke
EP0634957B1 (fr) 1993-01-28 1997-05-14 Licentia Patent-Verwaltungs-GmbH Procede de classement sequentiel du courrier dans des installations de tri postal
DE19947259C1 (de) 1999-09-30 2000-09-28 Siemens Ag Verfahren und Vorrichtung zum Sortieren von Sendungen
FR2792227A1 (fr) 1999-04-16 2000-10-20 Poste Procede de preparation d'un plan de tri d'un lot d'objets (plis,lettres, ...) pour machine de tri fonctionnant en tri inverse
EP0785828B1 (fr) 1995-08-05 2000-10-25 Siemens Aktiengesellschaft Procede de triage de courrier
EP0948416B1 (fr) 1996-06-22 2001-11-28 Siemens Dematic AG Procede de tri sequentiel de distribution
WO2002000362A2 (fr) 2000-06-26 2002-01-03 United States Postal Service Procede et systeme pour traiter des lettres et de grands objets plats en un seul passage
EP1393823A2 (fr) 2002-06-18 2004-03-03 Böwe Bell & Howell Company Système de tri modulaire progressif avec des récipients de haute et basse capacité
WO2005051556A2 (fr) 2003-11-19 2005-06-09 Northrop Grumman Corporation Systeme et procede de sequençage de courrier dans un ordre de point de distribution
EP1872869A2 (fr) 2006-06-30 2008-01-02 Bowe Bell + Howell Company Génération de schéma de tri selon la capacité de corbeille
DE102008006752A1 (de) 2008-01-30 2009-08-06 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Sortieren von flachen Gegenständen in mehreren Sortierläufen

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236507C1 (de) 1992-10-29 1993-12-02 Licentia Gmbh Umladebrücke
EP0634957B1 (fr) 1993-01-28 1997-05-14 Licentia Patent-Verwaltungs-GmbH Procede de classement sequentiel du courrier dans des installations de tri postal
EP0785828B1 (fr) 1995-08-05 2000-10-25 Siemens Aktiengesellschaft Procede de triage de courrier
EP0948416B1 (fr) 1996-06-22 2001-11-28 Siemens Dematic AG Procede de tri sequentiel de distribution
US6703574B1 (en) 1996-06-22 2004-03-09 Siemens Ag Process for sorting distribution sequences
FR2792227A1 (fr) 1999-04-16 2000-10-20 Poste Procede de preparation d'un plan de tri d'un lot d'objets (plis,lettres, ...) pour machine de tri fonctionnant en tri inverse
DE60001405T2 (de) 1999-04-16 2003-11-06 La Poste, Nantes Verfahren zur vorbereitung eines sortierplanes
DE19947259C1 (de) 1999-09-30 2000-09-28 Siemens Ag Verfahren und Vorrichtung zum Sortieren von Sendungen
US6888084B1 (en) 1999-09-30 2005-05-03 Siemens Aktiengesellschaft Method and device for sorting parcels
WO2002000362A2 (fr) 2000-06-26 2002-01-03 United States Postal Service Procede et systeme pour traiter des lettres et de grands objets plats en un seul passage
EP1393823A2 (fr) 2002-06-18 2004-03-03 Böwe Bell & Howell Company Système de tri modulaire progressif avec des récipients de haute et basse capacité
WO2005051556A2 (fr) 2003-11-19 2005-06-09 Northrop Grumman Corporation Systeme et procede de sequençage de courrier dans un ordre de point de distribution
EP1872869A2 (fr) 2006-06-30 2008-01-02 Bowe Bell + Howell Company Génération de schéma de tri selon la capacité de corbeille
DE102008006752A1 (de) 2008-01-30 2009-08-06 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Sortieren von flachen Gegenständen in mehreren Sortierläufen

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9849487B2 (en) 2014-11-13 2017-12-26 United States Postal Service System and method of sorting and sequencing items
US10220416B2 (en) 2014-11-13 2019-03-05 United States Postal Service System and method of sorting and sequencing items
US10668505B2 (en) 2014-11-13 2020-06-02 United States Postal Service System and method of sorting and sequencing items
US11344918B2 (en) 2014-11-13 2022-05-31 United States Postal Service System and method of sorting and sequencing items
US11890649B2 (en) 2014-11-13 2024-02-06 United States Postal Service System and method of sorting and sequencing items
US11833547B2 (en) 2016-05-06 2023-12-05 United States Postal Service Systems and methods for sorting residual items
US10682672B2 (en) 2016-05-06 2020-06-16 United States Postal Service Systems and methods for sorting residual items
US10717112B2 (en) 2016-05-06 2020-07-21 United States Postal Service Method for sorting residual letters and flats to carrier route segments using two passes on a machine with intermediate staging
WO2017192824A1 (fr) * 2016-05-06 2017-11-09 United States Postal Service Système et procédé de tri et de livraison d'articles
US11338329B2 (en) 2016-05-06 2022-05-24 United States Postal Service Systems and methods for sorting residual items
US10974283B2 (en) 2017-10-05 2021-04-13 United States Postal Service System and method of sorting and sequencing items
US11465180B2 (en) 2017-10-05 2022-10-11 United States Postal Service System and method of sorting and sequencing items
US11465181B2 (en) 2017-10-05 2022-10-11 United States Postal Service System and method of sorting and sequencing items
US12023713B2 (en) 2017-10-05 2024-07-02 United States Postal Service System and method of sorting and sequencing items

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