EP3868691A1 - Structure de joint en biseau pour le tube de papier d'un film - Google Patents

Structure de joint en biseau pour le tube de papier d'un film Download PDF

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Publication number
EP3868691A1
EP3868691A1 EP20158253.3A EP20158253A EP3868691A1 EP 3868691 A1 EP3868691 A1 EP 3868691A1 EP 20158253 A EP20158253 A EP 20158253A EP 3868691 A1 EP3868691 A1 EP 3868691A1
Authority
EP
European Patent Office
Prior art keywords
scarf
joint
positioning member
film
paper tube
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.)
Withdrawn
Application number
EP20158253.3A
Other languages
German (de)
English (en)
Inventor
Teng-Chi Yu
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.)
Yang Bey Industrial Co Ltd
Original Assignee
Yang Bey Industrial Co Ltd
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 Yang Bey Industrial Co Ltd filed Critical Yang Bey Industrial Co Ltd
Priority to EP20158253.3A priority Critical patent/EP3868691A1/fr
Publication of EP3868691A1 publication Critical patent/EP3868691A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/005—Dispensers, i.e. machines for unwinding only parts of web roll
    • 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
    • B65B59/04—Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
    • 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
    • B65B67/00—Apparatus or devices facilitating manual packaging operations; Sack holders
    • B65B67/08—Wrapping of articles
    • B65B67/085—Wrapping of articles using hand-held dispensers for stretch films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/40—Details of frames, housings or mountings of the whole handling apparatus
    • B65H2402/41—Portable or hand-held apparatus
    • B65H2402/412—Portable or hand-held apparatus details or the parts to be hold by the user, e.g. handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1944—Wrapping or packing material

Definitions

  • This invention relates to a film dispenser, particularly to a scarf-joint structure for the paper tube of a film dispenser.
  • a film dispenser for packing the articles.
  • the film dispenser includes a frame provided with a film installation unit and a film application unit.
  • the film installation unit is installed with a film roll, and in operation, the film roll is dispensed to stick to the surfaces of the articles and meanwhile, a user uses two hands to hold the film dispenser and quickly have the film wrapped and wound around the surfaces of the articles for carrying out packing operation.
  • the objective of this invention is to offer a scarf-joint structure for the paper tube of a film dispenser, able to prevent a film roll from running idle, causing dislocation and falling off, convenient in adjustment and easy in replacing of the film roll.
  • the scarf-joint structure for the paper tube of a film dispenser in the prevent invention includes a frame, a film installation unit and an adjustment unit.
  • the frame is formed with an accommodating groove connected with a through hole.
  • the film installation unit contains a first positioning member and a second positioning member, which are provided in the frame.
  • the first positioning member and the second positioning member are respectively provided with a positioning groove, and the positioning groove of the first positioning member or the positioning groove of the second positioning member is provided with a first scarf-joint part.
  • the adjustment unit is formed with an operating part and an extension part.
  • the extension part is fitted with an elastic member and a fixing member, which are received in the accommodating groove.
  • the elastic member has two ends respectively resisting the accommodating groove and the fixing member, and the fixing member is formed with a position-limiting flange and a telescopic part.
  • the telescopic part of the fixing member is inserted out of the through hole, and the extension part is pivotally connected with the first positioning member.
  • the scarf-joint structure for the paper tube of a film dispenser has the film roll rabbet jointed with the film installation unit by means of both the first scarf-joint part and the second scarf-joint part, thus enabling the film roll, the first positioning member and the second positioning member to be rotated synchronously to prevent the film roll from running idle, causing dislocation and falling off, and further, the operating part of the adjustment unit can be operated to pull up the first positioning member for facilitating adjustment or replacement of the film roll.
  • a first preferred embodiment of a scarf-joint structure for the paper tube of a film dispenser in the present invention in is provided in the film dispenser that includes a frame 10, a film installation unit 20, an adjustment unit 30, a fixing unit 40, a film roll 50 and a film application unit 60 as main components combined together.
  • the frame 10 is formed with a top seat 11, a bottom seat 12 and a rod 13 connected between the top seat 11 and the bottom seat 12.
  • the top seat 11 is formed with an accommodating groove 14 connected with through hole 15, which is a round hole in this preferred embodiment. Further, two position-limiting blocks 151 spaced apart are disposed at the location of the through hole 15 of the top seat 11.
  • the film installation unit 20 contains a first positioning member 21 and a second positioning member 22, the first positioning member 21 provided at the top seat 11 while the second positioning member is positioned at the bottom seat 12.
  • the first positioning member 21 and the second positioning member 22 are somewhat disc-shaped and respectively formed with a first surface 23 and a second surface 24 opposite to each other, with first surface 23 and the second surface 24 jointly bored with an insert hole 25.
  • the second surface 24 has an outer circumference bored with a positioning groove 241 enabling the first positioning member 21 and the second positioning member 22 to be defined to have a bottom wall 242 and a side wall 243.
  • the bottom wall 242 is provided with a first scarf-joint part 26 extending toward the outer circumference of both the first positioning member 21 and the second positioning member 22.
  • the positioning groove 241 is C-shaped
  • the first scarf-joint part 26 is a rectangular protruding block.
  • the adjustment unit 30 is connected with the top seat 11 and formed with an operating part 31 and an extension part 32.
  • the operating part 31 is somewhat spherical for facilitating operation, and the extension part 32 is a rod.
  • the extension part 32 is provided with a threaded section 321 at one end far away from the operating part 31, and the extension part 32 is fitted thereon with an elastic member 33 and a fixing member 34, which are received in the accommodating groove 14.
  • the elastic member 33 is a spring, which has two ends respectively resisting against the accommodating groove 14 and the fixing member 34.
  • the fixing member 34 is threadably secured with threaded section 321, and formed with a position-limiting flange 341 and a telescopic part 342.
  • the position-limiting flange 341 can resist against the wall of the accommodating groove 14, while the extension part 342 is cylindrical and has its outer circumference provided with two position-limiting grooves 343 spaced apart for the position-limiting block 151 to be positioned therein.
  • the telescopic part 342 of the fixing member 34 can be inserted out of the through hole 15 of the top seat 11, and the threaded section 321 of the extension part 32 is inserted through the top seat 11 and the fixing member 34 and the insert hoe 25 of the first positioning member 21 and then secured with a screw fastener 35 located at the insert hole 25 of the first positioning member 21.
  • the fixing unit 40 as shown in Fig. 4 , is formed with a fixed shaft 41, which has one end pivotally connected with the second positioning member 22 and another end fixed in the bottom seat 12.
  • the film roll 50 has two ends respectively rabbet jointed with the first positioning member 21 and the second positioning member 22, containing a hollow paper tube 51 and film 52 wound around the paper tube 51.
  • the paper tube 51 has two ends of its major axis respectively provided with a second scarf-joint part 53 corresponding to the first scarf-joint parts 26.
  • the second scarf-joint part 53 is a rectangular recess so that the two second scarf-joint parts 53 can be respectively rabbet combined with the first scarf-joint parts 26 to enable the film roll 50, the first positioning member 21 and the second positioning member 22 to be rotated synchronously and prevent the film roll 50 from running idle, causing dislocation and falling off.
  • the film application unit 60 consists of a first roller 61 and a second roller 62, which have two end respectively connected with the top seat 11 and the bottom seat 12 for dispensing the film 52 of the film roll 50.
  • the second scarf-joint parts 53 of the film roll 50 are respectively aligned to the first scarf-joint part 26 of the first positioning member 21 and the first scarf-joint part 26 of the second positioning portion 22.
  • a user can hold the operating part 31 and pull it upward to let the screw fastener 35 actuate both the first positioning member 21 and the fixing member 34 to move upward and compress the elastic member 33, letting the first positioning member 21 moved upward axially and thus.
  • the space between the first positioning member 21 and the second positioning member 22 can the increased, and the film roll 50 can be easily and quickly positioned with both the first positioning member 21 and the second positioning member 22 and then release the operating part 31 to complete assembly of the film roll 50.
  • the film 52 of the film roll 50 is pulled to pass through the first roller 61 and the second roller 62 and meanwhile, two sides of the film 52 are pulled outward along the surfaces of both the first roller 61 and the second roller 62 for straightening the film 52 of the film roll 50 so that the film 52 of the film roll 50 can be tightly stuck and covered on the outer sides of the articles, thus finishing packing operation.
  • first scarf-joint part 26 and the second scarf-joint part 53 are mutually rabbet jointed; therefore, the film roll 50 and both the first positioning member 21 and the second positioning member 22 can be actuated to rotate synchronously, able to maintain continuity of dispensing film. Further, when the film roll 50 is in a scarf-joint state, the elastic member 33 will push both the fixing member 34 and the first positioning member 21 to tightly clamp the film roll 50 to enable the film 52 pulled to create tension, able to increase integrity and coverture of packing. Furthermore, the first scarf-joint part 26 and the second scarf-joint part 53 provided in this invention can restrict the film roll 50 installed in the film installation unit 20, thus achieving effect of special purpose.
  • both the first positioning member 21 and the second positioning member 22 are respectively provided with the first scarf-joint part 26, but either the first positioning member 21 or the second positioning member 22 may also be provided with the first scarf-joint portion independently.
  • At second preferred embodiment of a scarf-joint structure for the paper tube of a film dispenser in the present invention is to change the form of both the first scarf-joint part 26 and the second scarf-joint part 53.
  • the first scarf-joint part 26 is a semi-cylindrical protruding block
  • the second scarf-joint part 53 is a semi-cylindrical recess.
  • the second scarf-joint parts 53 can be respectively rabbet combined with the corresponding first scarf-joint part 26, able to increase scarf-joint function and enhance effect of synchronous rotation.
  • a third preferred embodiment of a scarf-joint structure for the paper tube of a film dispenser in the present invention is to have the form of both the first scarf-joint part 26 and the second scarf-joint part 53 changed.
  • the first scarf-joint part 26 is an arcuate protruding block
  • the second scarf-joint part 53 is an arcuate recess, able to replace the film roll 50, achieving guidance function and increasing effect of replacement.
  • a fourth preferred embodiment of a scarf-joint structure for the paper tube of a film dispenser in the present invention is to have the first scarf-joint part 26 and the second scarf-joint part 53 altered in form.
  • the fourth preferred embodiment has the first positioning member 21 and the second positioning member 22 respectively provided with a plurality of the first scarf-joint parts 26, which are arcuate protruding blocks, and the film roll 50is provided with a plurality of second scarf-joint parts 53, which are arcuate recesses.
  • the second scarf-joint parts 53 can quickly be rabbet jointed with the first scarf-joint parts 26, and in the rotation process of the film roll 50, the first positioning member 21 and the second positioning member 22 can be stressed evenly, able to enhance fluency of dispensing the film roll 50.
  • a fifth preferred embodiment of a scarf-joint structure for the paper tube of a film dispenser in the present invention is different from the fourth preferred embodiment in the form of both the first scarf-joint part and the second scarf-joint part.
  • the first scarf-joint parts 26 are triangular protruding blocks and a recess is formed between every two scarf-joint parts 26, and the second scarf-joint parts 53 are triangular recesses and a bulgy portion is formed between every two scarf-joint parts 53.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
EP20158253.3A 2020-02-19 2020-02-19 Structure de joint en biseau pour le tube de papier d'un film Withdrawn EP3868691A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20158253.3A EP3868691A1 (fr) 2020-02-19 2020-02-19 Structure de joint en biseau pour le tube de papier d'un film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20158253.3A EP3868691A1 (fr) 2020-02-19 2020-02-19 Structure de joint en biseau pour le tube de papier d'un film

Publications (1)

Publication Number Publication Date
EP3868691A1 true EP3868691A1 (fr) 2021-08-25

Family

ID=70008236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20158253.3A Withdrawn EP3868691A1 (fr) 2020-02-19 2020-02-19 Structure de joint en biseau pour le tube de papier d'un film

Country Status (1)

Country Link
EP (1) EP3868691A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160340070A1 (en) * 2015-05-18 2016-11-24 Hsiu-Man Yu Chen Film packing device
US10479631B1 (en) * 2018-08-26 2019-11-19 Hsiu-Man Yu Chen Stretch film dispenser with moving device
US20200039675A1 (en) * 2018-08-02 2020-02-06 Malpack Corp. Core for Wrap Dispenser and Method of Its Use

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160340070A1 (en) * 2015-05-18 2016-11-24 Hsiu-Man Yu Chen Film packing device
US20200039675A1 (en) * 2018-08-02 2020-02-06 Malpack Corp. Core for Wrap Dispenser and Method of Its Use
US10479631B1 (en) * 2018-08-26 2019-11-19 Hsiu-Man Yu Chen Stretch film dispenser with moving device

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