CA2936043A1 - Method and apparatus for protecting angular industrial packages, such as packages of sawn timber - Google Patents

Method and apparatus for protecting angular industrial packages, such as packages of sawn timber Download PDF

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Publication number
CA2936043A1
CA2936043A1 CA2936043A CA2936043A CA2936043A1 CA 2936043 A1 CA2936043 A1 CA 2936043A1 CA 2936043 A CA2936043 A CA 2936043A CA 2936043 A CA2936043 A CA 2936043A CA 2936043 A1 CA2936043 A1 CA 2936043A1
Authority
CA
Canada
Prior art keywords
wrap
packages
package
seaming
corner
Prior art date
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.)
Abandoned
Application number
CA2936043A
Other languages
French (fr)
Inventor
Heikki Sonninen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ORFER Oy
Original Assignee
ORFER Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ORFER Oy filed Critical ORFER Oy
Publication of CA2936043A1 publication Critical patent/CA2936043A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B49/00—Devices for folding or bending wrappers around contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B49/00—Devices for folding or bending wrappers around contents
    • B65B49/08—Reciprocating or oscillating folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B49/00—Devices for folding or bending wrappers around contents
    • B65B49/16—Pneumatic means, e.g. air jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/02—Applying adhesives or sealing liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/07—Sewing or stitching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/005—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for removing material by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/02—Wrappers or flexible covers
    • 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
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2210/00—Specific aspects of the packaging machine
    • B65B2210/04—Customised on demand packaging by determining a specific characteristic, e.g. shape or height, of articles or material to be packaged and selecting, creating or adapting a packaging accordingly, e.g. making a carton starting from web material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/06—Cutting webs along their longitudinal direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/02—Arrangements to enable adjustments to be made while the machine is running

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

Method for protecting angular industrial packages (1), such as packages of sawn timber, with a film-type wrap (5). The invention is implemented in such a way that on the vertical corners of the package (1) the portions of the wrap (5) coming from the side of two adjacent essentially planar sides are fixed to each other when they are on top of the load and the excess fold being produced in it is cut off. The object of the invention is also an apparatus for implementing the method, as well as a covering for protecting the package (1).

Description

METHOD AND APPARATUS FOR PROTECTING ANGULAR
INDUSTRIAL PACKAGES, SUCH AS PACKAGES OF SAWN
TIMBER
Field of technology The object of this invention is a method for protecting angular industrial packages, such as packages of sawn timber, with a film-type wrap. The object of the invention is also an apparatus for implementing the method as well as a hood for protecting the package, said hood fabricated according to the method.
Prior art The invention relates mainly to wrapping methods and to wrapping apparatuses for angular industrial packages of large dimensions.
More particularly the invention relates to the automatic wrapping of packages of sawn timber, wherein plastic film is used as the wrap.
The weather protection and transportation protection of large packages has conventionally taken place in such a way that paper or plastic film is pulled from a roller onto the load, which paper or plastic film is manually folded around the corners of the package and the folds are usually fastened by stapling them with metal staples or plastic staples.
In recent years machines have come onto the market that emulate the wrapping performed by humans by folding the wrap by means of various arms, et cetera, and by then fastening the folds by stapling them to the sides of the package. The state of the art is demonstrated e.g. by US patent application US 5657608, the apparatus according to which pulls the wrap onto the load, cuts it to a suitable dimension, and folds the corners onto the sides of the package (and fastens them into their position).
The apparatus according to patent application US 2007/0220832 Al, on the other hand, pulls a suitably folded plastic film onto the
2 load, cuts it to a suitable dimension and simultaneously seams the ends in such a way that a hood that is slightly smaller than the load forms. Then the apparatus stretches the hood to be larger than the load and threads it onto the load, in which case a tight wrap forms.
Publication 51926 / B65B11/06, for its part, presents an older apparatus that pulls and cuts wrapping paper, and also folds the corners by means of separate mechanisms and staples the folds to the ends of the package.
The wrapping methods known in the art are quite complex, inefficient and expensive, or they require the use of more expensive stretchable and thermoformable wrapping material.
Summary of the invention The aim of the current invention is to eliminate the drawbacks of prior art and to achieve an entirely new type of wrapping method and wrapping apparatus for large-dimension packages suited for industrial needs.
The solution according to the invention is based on a method wherein the corners of a film to be pulled onto the top of the package are not folded, but instead the corners are seamed in situ to correspond to the dimensions of the load.
The apparatus comprises devices for moving the load to be wrapped, for pulling the wrap generally coming from a roller, for measuring the necessary dimensions of the wrap, and for cutting to the correct length and width dimension, as well as a means functioning independently according to a program, which means tidily tightens the film on the side of the load, straightens and separates the excess corner fold away from the sides of the package in such a way that the films of the different sides can be seamed together on the corner, and the excess fold can be cut away.
3 The whole plant also comprises, as an essential part, a system with which the wrap roller is brought to the correct location with respect to the package as well as a system for transferring the cut corner folds and other excess wrap out of the packing area.
The characteristic features of the method and apparatus according to the invention are described in detail in the independent claims and the preferred embodiments in the non-independent claims.
The wrapping apparatus according to the invention is simple and effective.
Short description of the drawings In the following, the invention will be described in more detail by the aid of some preferred embodiments with reference to the attached drawings, wherein Fig. 1 presents a large-sized and angular industrial package at the start of wrapping.
Fig. 2 presents the package as the wrapping progresses.
Figs. 3A-3D present a top view of one corner of the package in different phases of the wrapping.
Detailed description of the invention A package 1 to be wrapped, which can thus be e.g. a package of sawn timber, comes to the wrapping station on the conveyor 2.
The wrap 5 coming from the roller 3 through dispensing &
measuring drums 4 travels synchronized with the load until the correct amount of wrap has discharged from the roller, in which case the load stops and the wrap is cut with the cutter 7. When pulling the wrap onto the top of the load, also its width can be cut to be suited to the load by means of longitudinal cutting blades
4 (not shown) that are in the cutter. When comparing Figs 1 and 2 it would seem that the roller 3 would also move, but in reality it is generally kept stationary. The drawing inaccuracy results from the desire to make the whole package 1 visible in both drawings. Also the conveyor 2 is not drawn to scale. Of course, also the roller 3 and cylinders 4 could be arranged movably.
Thus, by means of the wrap 5, the whole top surface and sides of the package 1 are covered. Generally, it is not intended to put any wrap underneath the package. The wrap is preferably plastic film suitable for the purpose.
Figs. 3A-3D thus present one vertical corner of the package 1 as viewed from above. The same procedures and phases are also performed at the other corners, of which in the case of a rectangular package there are four units. In the starting phase of wrapping, placed on a corner of the package 1 by means of a separate apparatus are tightening means 8 and 9, which are composed e.g. of two vertical cylinders or vertical rollers arranged side-by-side. A corner is produced between two adjacent sides, in which case an own tightening means is placed on the side of both sides. The tightening means 8 and 9 move towards the corner, in which case the excess wrapping material 5 collects on the corner as a loose bag.
In the second phase (Fig. 3B) the tightening means 8 and 9 displace automatically, depending on the quality of the wrap either as a single entity or separately, to the corners of the load, tightening the wrap and forming a distinct fold on the corner.
In the phase presented by Fig. 3C the tightening means displace, if necessary, in such a way that the seaming means 10 can seam the films of two sides together and thus form a corner seam in the wrap. The seaming can be implemented by welding together, gluing together or sewing the wrap or with some other suitable seaming method.

Instead of movable tightening means, it is possible to tighten the wrap also with suitably directed air blowing. It is also possible to use both movable tightening means and air blowing. A tightening means can therefore refer to both movable, mechanically-operating
5 tightening means as well as to air blowing.
In a preferred embodiment, following or simultaneously with seaming, the cutting device 11 cuts the excess fold off and the result is a functional wrap corner, which is presented in Fig. 3D. If the fold is not cut off, it can e.g. be affixed to the side of the package.
If the folds are cut off, the total assembly can further comprise a system that transfers the excess corner pieces out of the wrapping area.
As the most preferred embodiment, the apparatus functions fully automatically controlled by a preprogrammed control system, but in small-scale production also manual drive is possible.
It is obvious to the person skilled in the art that the different embodiments of the invention are not limited solely to the examples described above, but that they may be varied within the scope of the claims presented below.
The characteristic features possibly presented in the description in conjunction with other characteristic features can if necessary be used separately to each other.

Claims (12)

6
1. Method for protecting angular industrial packages (1), such as packages of sawn timber, with a film-type wrap (5), characterized in that on the vertical corners of the package (1) the portions of the wrap (5) coming from the side of two adjacent essentially planar sides are fixed to each other when they are on the load.
2. Method according to claim 1, characterized in that the excess fold being produced in connection with fastening the portions of the wrap (5) is cut off.
3. Method according to claim 1 or 2, characterized in that the wrap (5) is tightened towards the corners with movably arranged tightening means (8, 9) to be set on top of the wrap and/or by means of air blowing.
4. Method according to claim 3, characterized in that after tightening the portions of the wrap (5) are fixed to each other by seaming, such as by welding together, gluing together or sewing the wrap or with some other suitable seaming method.
5. Method according to claim 4, characterized in that the excess folds produced on the corners of the wrap (5) are cut off after seaming or in connection with seaming.
6. Method according to any of claims 1-5, characterized in that the wrap (5) is cut in connection with the wrapping to the most suitable dimension, in both the longwise and transverse direction, for that package at that time.
7. Apparatus for protecting angular industrial packages (1), such as packages of sawn timber, with a film-type wrap (5), which apparatus comprises means (4) for pulling the wrap from the roller (3) onto the package and a cutter (7) for cutting the wrap, characterized in that the apparatus additionally comprises tightening means for tightening the wrap (5) towards corners and a seaming device (10) for seaming the portions of the wrap coming from the sides of the package together at a corner.
8. Apparatus according to claim 7, characterized in that the apparatus additionally comprises a cutting device (11) for cutting off a fold being produced on a corner.
9. Apparatus according to claim 7 or 8, characterized in that the tightening means (8, 9) are essentially vertical rollers or cylinders, that are arranged to move along the sides of the package towards a corner and away from the corner.
10. Apparatus according to claim 8 or 9, characterized in that the tightening device (8, 9), seaming device (10) and cutting device (11) have been formed as a single movable entity.
11. Apparatus according to claim 8 or 9, characterized in that the tightening device (8, 9), seaming device (10) and cutting device (11) are arranged to move separately to each other during seaming and cutting.
12. Covering for protecting angular industrial packages (1), such as packages of sawn timber, which covering has a horizontal top surface and vertical side surfaces, in which case between each two adjacent side surfaces is a vertical corner, characterized in that the wrapping material of adjacent sides at the point of the corners is seamed, and in that the finished covering can be moved to on top of the package (1).
CA2936043A 2014-02-10 2015-01-22 Method and apparatus for protecting angular industrial packages, such as packages of sawn timber Abandoned CA2936043A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20145127A FI126274B (en) 2014-02-10 2014-02-10 Process and equipment for protecting angular industrial packaging, such as sawmill packaging
FI20145127 2014-02-10
PCT/FI2015/050036 WO2015118221A1 (en) 2014-02-10 2015-01-22 Method and apparatus for protecting angular industrial packages, such as packages of sawn timber

Publications (1)

Publication Number Publication Date
CA2936043A1 true CA2936043A1 (en) 2015-08-13

Family

ID=53777368

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2936043A Abandoned CA2936043A1 (en) 2014-02-10 2015-01-22 Method and apparatus for protecting angular industrial packages, such as packages of sawn timber

Country Status (5)

Country Link
EP (1) EP3105125A4 (en)
CA (1) CA2936043A1 (en)
FI (1) FI126274B (en)
RU (1) RU2016130829A (en)
WO (1) WO2015118221A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11034471B1 (en) * 2018-05-02 2021-06-15 Springer Maschinenfabrik Gmbh Film-wrapping apparatus and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495375A (en) * 1967-04-20 1970-02-17 Anchor Hocking Corp Stabilizing unit loads using tensioned film
DE4236127C2 (en) * 1991-12-03 1997-02-13 Deuter Sport & Leder packaging
FI97460C (en) * 1994-10-20 1996-12-27 Innocomp Automaatio Oy Method and apparatus for wrapping pieces
CA2240062A1 (en) * 1998-07-15 2000-01-15 Jean-Yves Nadeau Method and apparatus for forming an envelope over an article
US6371292B1 (en) * 2000-06-14 2002-04-16 Olympic General Corporation Protective cover for stacked lumber
US20120085072A1 (en) * 2009-06-26 2012-04-12 Deschenes Jean Wrapping machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11034471B1 (en) * 2018-05-02 2021-06-15 Springer Maschinenfabrik Gmbh Film-wrapping apparatus and method

Also Published As

Publication number Publication date
RU2016130829A (en) 2018-03-15
EP3105125A1 (en) 2016-12-21
EP3105125A4 (en) 2017-10-18
FI126274B (en) 2016-09-15
FI20145127A (en) 2015-08-11
WO2015118221A1 (en) 2015-08-13

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20200110

FZDE Discontinued

Effective date: 20220708

FZDE Discontinued

Effective date: 20220708