US3924785A - Hem forming apparatus - Google Patents

Hem forming apparatus Download PDF

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Publication number
US3924785A
US3924785A US524175A US52417574A US3924785A US 3924785 A US3924785 A US 3924785A US 524175 A US524175 A US 524175A US 52417574 A US52417574 A US 52417574A US 3924785 A US3924785 A US 3924785A
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US
United States
Prior art keywords
arms
engagement means
ways
tubular
sleeves
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.)
Expired - Lifetime
Application number
US524175A
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English (en)
Inventor
Jr George P Diacont
Jr Vincent J Serio
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.)
Automated Machinery Systems Inc
Original Assignee
AMF Inc
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 AMF Inc filed Critical AMF Inc
Priority to US524175A priority Critical patent/US3924785A/en
Priority to DE19752548455 priority patent/DE2548455A1/de
Priority to IT52195/75A priority patent/IT1052294B/it
Application granted granted Critical
Publication of US3924785A publication Critical patent/US3924785A/en
Assigned to AMF UNION MACHINERY INC., A CORP OF DELAWARE reassignment AMF UNION MACHINERY INC., A CORP OF DELAWARE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: AMF INCORPORATED, A CORP OF N.J.
Assigned to BANK OF VIRGINIA, 800 E. MAIN STREET, RICHMOND, VA. 23260, A BANKING CORP. OF VA. reassignment BANK OF VIRGINIA, 800 E. MAIN STREET, RICHMOND, VA. 23260, A BANKING CORP. OF VA. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AUTOMATED MACHINERY SYSTEMS, INC, A CORP. OF VA.
Assigned to AUTOMATED MACHINERY SYSTEMS, INC. A CORP OF VA reassignment AUTOMATED MACHINERY SYSTEMS, INC. A CORP OF VA MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE JANUARY 2, 1986, VIRGINIA Assignors: AMF UNION MACHINERY INC., A DE CORP. (INTO)
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
    • A41H43/025—Folding, unfolding or turning over
    • A41H43/0257—Folding

Definitions

  • ABSTRACT An apparatus for forming a hem upon a tubular section of material employing a pair of pivotable elongated members which are programmed to move within a prescribed arcuate path after the material to be formed is inserted within a prescribed clearance space formed by the elongated members and movable sleeves,
  • the present invention is directed to an apparatus for the formation of a hem or seam or the like on garments. More particularly, the present invention is directed to an apparatus for producing a hem on a tubularly shaped section of a garment by engaging and folding the end portion of the tubularly shaped portion in a preselected manner.
  • the present invention has sought to define the overall operation by including a manual feeding and positioning step together with a series of subsequent mechanical operations to achieve a desired hem.
  • U.S. Pat. No. 2,737,320 (Bowler), relates to a device for forming trouser cuffs employing a pair of guides which engage the inner surfaces of the tubular garment portion to be worked and only move inside such tubular portion so as to extend such engaged surfaces i.e. stretch the ends of trouser legs to their fullest.
  • Such arms are caused to cooperate with a pair of bars that are drawn and aligned with the arms to loop the fabric into a cuff.
  • the arms remain virtually stationary and the bars outside of the trouser leg act upon the portion to be formed into a cuff. What is absent is the degree of control and rapidity of operation as with the present invention.
  • Still another object of the present invention is to provide an apparatus for manufacturing a hem on a tubular section with the minimum of manual operations.
  • Yet a further object of the present invention is to provide a device for mechanically forming a cuff on a trouser leg on a predefined length in which means are provided to control the manner in which the cuff is formed.
  • the principal features of the invention are directed to an automatic apparatus for forming an overlay of material the nature of a hem, upon a tubular section of material positioned in said apparatus, including: a pair of parallel disposed arms mounted on ways, each of said respective arms being further provided with pivotally mounted sleeve members integrally formed there with; material engagement means connected to each of said sleeves and spaced apart therefrom to form a clearance space therebetween for inserting said tubular material into such space; stop means provided on each of said arms for adjusting the length of said clearance space; and prime mover means connected to said arms for laterally moving said arms on said ways.
  • each said material engagement means are generally elongated, provided with tapering sides; said engagement means being adapted to urge the material within said clearance to retain a given position as said engagement means pivotally move in concert with said sleeve members for a maximum pivotal range of up to arcuate degrees.
  • FIG. 1a is a plan view of the present invention.
  • FIG. 1b is a side view of the invention shown in FIG. la.
  • FIG. 2 is a partial enlarged plan view of the invention as shown in FIG. 1a.
  • FIGS. 3a, b, c are partial plan views respectively of the invention at different positions during its operating cycle.
  • the device I of the present invention may be employed individually as a separate module or in combination with another device in the overall manufacture of a garment such as a pair of trousers, dresses, sleeves, etc.
  • the present invention basically consists of a pair of symetrical arms 2, 2' which are positionable on ways 14 and are in spaced apart relationship with respect to one another. Arm 2 is stationary and arm 2' is movable in a manner to be described hereinafter. Prior to initiating the manufacturing operation, as will be explained, the distance between arms 2, 2 is determined and the relationshipbetween such arms 2, 2 is fixed for a given operation.
  • Each arm 2, 2' is provided with a relatively flat elongated member having associated therewith a rotatable radial sleeve 3 which is pivotable about a point P certain on such arms 2, 2.
  • the sleeve 3 is provided with an associated elongated gripper 4.
  • the gripper 4 is attached to the sleeve 3, is spring loaded i.e. 5, and is caused to move in concert therewith as it pivots about the arms 2, 2 in a pre-select manner.
  • the gripper 4 is laterally disposed of the sleeve 3 to provide a clearance space 6 of a desired thickness to allow the tubular garmet G to be inserted therein.
  • the length X of such clearance space 6 see FIG.
  • the gripping members 4 are so positioned as to move in a direction perpendicular to the axis of the tubular product being worked upon (see FIG. 1a), such that during the actual turning operation (see FIGS. 3a, b, such grippers 4 are caused to turn in a direction T up to 180 about the axis located at the comers of the stretched out tubular product or garment G. Once this occurs, the hem or cuff H is formed (see FIGS. 3b and c).
  • the arms 2, 2 containing the sleeve-gripper members 3, 4 are disposed close enough together to allow the tubular member G to be inserted in the entrance way or clearance 6 between each respective gripper 4 and sleeve 3.
  • the tubular product G is stretched, (FIGS. 3b, 30) under the pneumatic action of piston 9 connected through linkage block 13 to one of the arms (movable arm) 2'.
  • the movable arm 2 is caused to move apart in the lateral direction (FIGS. 3a, b, c).
  • the sleeve-gripper 3, 4 assembly is caused to pivot about the respective arms 2, 2' in an outward direction 180 apart through the action of pistons 7.
  • the pivoting motion is carried out via pulley system acting under the influence of pistons 7 through associated clamps 11. Simultaneously therewith the pneumatic action of piston 9 extends the movable arm 2 for a distance equal to that required for the material to be formed into a cuff. Throughout this operation the material G is held taut by the clips 4 and the lateral position of the arms 2, 2.
  • a principle piston 9 is in the retracted position, FIG. 3a, enabling the tubular section to be worked upon to be loaded into the apparatus 1.
  • Stabilizing bar 8 mounted on stationary arm 2 (in a manner not shown) provides rigidity to moving arm 2.
  • the arms 2, 2 for receiving the garment section G are relatively close together and the tubular section sags in the opening formed between such arms.
  • FIG. 3b the principle piston 9 is actuated and causes the arm 2 to extend and take up excessive sag or looseness in the tubular section, FIG. 3b.
  • Lateral movement of the arm 2 takes place through the actuation of the piston 9 in a plane of the movement of the tubular section G to be worked upon.
  • the piston pressure for this step of the operation is maintained as light as possible.
  • the above operation can likewise be programmed to function by purely mechanical means, such as with appropriate spring loading and properly contoured cams.
  • the interrelationship of the sleeve 4, pivot point P and gripper 4 may be best understood with reference to FIG. 2.
  • the linear distance Y represents the distance or length of cuff or hem to be formed by turning that amount of material on itself.
  • X represents the maximum adjustable distance of the clearance 6 between the gripper 4 and the sleeve 3 for forming a hem or cuff. This distance is measured along the longitudinal axis forming a pivot point P to a stop 12 on the gripper4.
  • This stop 12 is adjustable within the relationship of a distance from the pivot point P enabling the sleeve 3 and gripper 4 to pivot and thereby fold the material G with respect to an overall distance W.
  • This distance or dimension W is usually held to an amount equal to twice the length or distance of X.
  • the total length of the sleeve of which one half represents the cuff width can not exceed twice the maximum length of the cuff since the distance required for proper pivoting will not justify a relationship in excess of the aforementioned amount.
  • the grippers 4 engage the section of tubular material G to be turned, and are pivoted for the cuff is formed and the section of material is then ready for treatment at another station.
  • the section of material is caused to be disengaged from the apparatus by indexing such arms closer together and creating a slack in the section just formed.
  • the operator next manually removes the cuff section and thereafter the grippersleeve 3, 4 arrangement is caused to pivot on the arms 2 such that the apparatus assumes a start position for a fresh operation. In so doing, the gripper-sleeve elements are each caused to assume an out-board position (FIG. 1a).
  • pivot points P enable the apparatus to work within a limited space, within a minimum number of parts with a resultant lower unit cost. More specifically, the pivot points P during the operating cycle of the apparatus 1 are on the inside of the tubular section G which allows for the above mentioned advantages.
  • An apparatus for forming an overlay of material in the nature of a hem, upon a tubular section of material positioned in said apparatus including: an apparatus super-structure; ways attached to said super-structure; a pair of parallel disposed arms mounted on said ways, each of said respective arms being provided with pivotally mounted sleeve members integrally formed therewith; material engagement means connected to each of said sleeves and spaced apart therefrom to form a clearance space therebetween for inserting said tubular material into such space; stop means provided on each of said arms for adjusting the length of said clearance space; and prime mover means connected to said arms for laterally moving said arms on said ways.
  • each said material engagement means are generally elongated and provided with tapering sides; said engagement means being adapted to urge the material within said clearance to retain a given position as said engagement means pivotally move in concert with said sleeve members for a maximum pivotal range of up to 180 arcuate degrees.
  • each of said respective sleeve members move about pivot points on said arms disposed at points equal to onehalf the maximum clearance distance space formed between said material engagement means and said sleeves.
  • a slidably adjustable stop member traverses said clearance space to determine the amount of overlay material to be formed.
  • each of said prime mover means is defined by an pneumatically actuated piston and cylinder arrangement.
  • said members for engaging the material are adapted to move in a direction perpendicular to the axis of the ways.
  • the lateral distance between each of said arms is greater during the hem forming operation as compared to the initial tubular material loading operation to thusly cause suchmaterial to become taut by the movement of said arms on said ways.
  • said respective sleeve members have their pivot points located inside of said tubular material during loading of said material into said engagement means.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
US524175A 1974-11-15 1974-11-15 Hem forming apparatus Expired - Lifetime US3924785A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US524175A US3924785A (en) 1974-11-15 1974-11-15 Hem forming apparatus
DE19752548455 DE2548455A1 (de) 1974-11-15 1975-10-29 Vorrichtung zum formen eines saumes auf einem schlauchartigen kleidungsteil
IT52195/75A IT1052294B (it) 1974-11-15 1975-11-13 Apparecchio per la formazione di orli o risvolti in indumenti

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US524175A US3924785A (en) 1974-11-15 1974-11-15 Hem forming apparatus

Publications (1)

Publication Number Publication Date
US3924785A true US3924785A (en) 1975-12-09

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ID=24088082

Family Applications (1)

Application Number Title Priority Date Filing Date
US524175A Expired - Lifetime US3924785A (en) 1974-11-15 1974-11-15 Hem forming apparatus

Country Status (3)

Country Link
US (1) US3924785A (it)
DE (1) DE2548455A1 (it)
IT (1) IT1052294B (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475591A1 (fr) * 1980-02-08 1981-08-14 Inst Textile De France Procede continu et dispositif de confection de manchon a repli
CN105167293A (zh) * 2015-07-30 2015-12-23 广东溢达纺织有限公司 自动调间距装置及自动调间距方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249968A (en) * 1938-06-13 1941-07-22 Progress Specialty Company Cuff making method and apparatus
US2737320A (en) * 1955-03-28 1956-03-06 William C Bowler Device for forming trouser cuffs
US2863591A (en) * 1955-11-30 1958-12-09 James G Butler Means for cuffing trousers and preparing same therefor
US2879926A (en) * 1957-10-16 1959-03-31 Newton Ora Leo Cuffer and stretcher device
US3257663A (en) * 1961-12-20 1966-06-21 Williamson Dickie Mfg Company Cuff making machine
US3779432A (en) * 1970-10-27 1973-12-18 Agency Ind Science Techn Method of and apparatus for automatic bag reversing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249968A (en) * 1938-06-13 1941-07-22 Progress Specialty Company Cuff making method and apparatus
US2737320A (en) * 1955-03-28 1956-03-06 William C Bowler Device for forming trouser cuffs
US2863591A (en) * 1955-11-30 1958-12-09 James G Butler Means for cuffing trousers and preparing same therefor
US2879926A (en) * 1957-10-16 1959-03-31 Newton Ora Leo Cuffer and stretcher device
US3257663A (en) * 1961-12-20 1966-06-21 Williamson Dickie Mfg Company Cuff making machine
US3779432A (en) * 1970-10-27 1973-12-18 Agency Ind Science Techn Method of and apparatus for automatic bag reversing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475591A1 (fr) * 1980-02-08 1981-08-14 Inst Textile De France Procede continu et dispositif de confection de manchon a repli
EP0034523A1 (fr) * 1980-02-08 1981-08-26 Centre Technique Industriel dit INSTITUT TEXTILE DE FRANCE Procédé continu et dispositif de confection de manchon à repli
US4381068A (en) * 1980-02-08 1983-04-26 Institut Textile De France Continuous method and device for making a sleeve with a turned back edge
CN105167293A (zh) * 2015-07-30 2015-12-23 广东溢达纺织有限公司 自动调间距装置及自动调间距方法

Also Published As

Publication number Publication date
DE2548455A1 (de) 1976-05-20
IT1052294B (it) 1981-06-20

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Legal Events

Date Code Title Description
AS Assignment

Owner name: AMF UNION MACHINERY INC., 2115 WEST LABURNUM AVENU

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AMF INCORPORATED, A CORP OF N.J.;REEL/FRAME:004486/0638

Effective date: 19851111

AS Assignment

Owner name: BANK OF VIRGINIA, 800 E. MAIN STREET, RICHMOND, VA

Free format text: SECURITY INTEREST;ASSIGNOR:AUTOMATED MACHINERY SYSTEMS, INC, A CORP. OF VA.;REEL/FRAME:004495/0269

Effective date: 19860110

AS Assignment

Owner name: AUTOMATED MACHINERY SYSTEMS, INC. A CORP OF VA

Free format text: MERGER;ASSIGNOR:AMF UNION MACHINERY INC., A DE CORP. (INTO);REEL/FRAME:004647/0149

Effective date: 19861022