US3462803A - Fastener for holding flexible sheet material and method for retaining such material - Google Patents
Fastener for holding flexible sheet material and method for retaining such material Download PDFInfo
- Publication number
- US3462803A US3462803A US723200A US3462803DA US3462803A US 3462803 A US3462803 A US 3462803A US 723200 A US723200 A US 723200A US 3462803D A US3462803D A US 3462803DA US 3462803 A US3462803 A US 3462803A
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- United States
- Prior art keywords
- fastener
- sonic
- retaining
- button
- flexible sheet
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- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 title description 50
- 238000000034 method Methods 0.000 title description 13
- 239000004753 textile Substances 0.000 description 12
- 238000010276 construction Methods 0.000 description 8
- 229920001169 thermoplastic Polymers 0.000 description 8
- 239000004416 thermosoftening plastic Substances 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 6
- 230000000717 retained effect Effects 0.000 description 5
- 239000012815 thermoplastic material Substances 0.000 description 5
- 230000004927 fusion Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000004826 seaming Methods 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- KHOITXIGCFIULA-UHFFFAOYSA-N Alophen Chemical compound C1=CC(OC(=O)C)=CC=C1C(C=1N=CC=CC=1)C1=CC=C(OC(C)=O)C=C1 KHOITXIGCFIULA-UHFFFAOYSA-N 0.000 description 1
- 241000272534 Struthio camelus Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
- B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
-
- 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
- A41H37/00—Machines, appliances or methods for setting fastener-elements on garments
- A41H37/001—Methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
- B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
- B29C66/30221—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being point-like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
- B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
- B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
- B29C66/3032—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined
- B29C66/30325—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined making use of cavities belonging to at least one of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
- B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/729—Textile or other fibrous material made from plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2313/00—Use of textile products or fabrics as reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/46—Knobs or handles, push-buttons, grips
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/36—Button with fastener
- Y10T24/3687—Heat or adhesive secured type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
- Y10T24/4588—Means for mounting projection or cavity portion
- Y10T24/45937—Consisting of thermally fusible substance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/47—Molded joint
- Y10T403/472—Molded joint including mechanical interlock
Definitions
- thermoplastic fastening means for attachment to or retention of textile material has a projection which is adapted to at least partially pierce the material and fuses responsive to the application of sonic or ultrasonic energy.
- This invention refers to a fastener for flexible sheet material and to a method for retaining such material within the fastener. More particularly, this invention refers to a fastener and a method for retaining flexible sheet material using sonic or ultrasonic energy for causing the retention of the material. Quite specifically, this invention is directed toward the construction of a fastening means and the use of energy in the sonic or ultrasonic frequency range to provide for the assembly of the fastening means and for the retention of interposed material, particularly textile material.
- One of the principal objects of this invention is, therefore, the provision of new and novel fastening means particularly suited for the use of sonic or ultrasonic energy.
- Another important object of this invention is the provision of a fastener adapted to retain flexible sheet material whereby such retention is caused responsive to the application of sonic or ultrasonic energy.
- a further important object of this invention is the provision of a new method for retaining flexible, sheet-like material within a fastener.
- a further and other important object of this invention is the provision of a novel button for textile material which can be attached to the textile material using sonic or ultrasonic energy.
- FIGURE 1 is a vertical section through a typical embodiment of a fastener, showing the fastener in its open condition;
- FIGURE 2 is a sectional view showing the closing of the fastener and the use of ultrasonic energy While the textile material is retained within the fastener;
- Patent 0 FIGURE 3 is a view similar to FIGURE 2 illustrating the retention of two juxtaposed sheet materials
- FIGURE 4 is a perspective view of the fastener per FIGURES 1 through 3 manufactured in strip form
- FIGURE 5 is a sectional view of a typical button assembly construction
- FIGURE 6 shows the button per FIGURE 5 attached to textile material and holding two sheet materials
- FIGURE 7 depicts an alternative button construction
- FIGURE 8 shows the button construction per FIGURE 7 attached to a textile material.
- the fastener 10 which is made of thermoplastic material.
- the fastener 10 may have a convenient length and width to suit the particular requirement.
- the fastener 10 is constructed in the shape of a spread U having a first leg portion 12 and a second leg portion 14, both leg portions being joined at a base portion 16.
- the base portion 16 is sufficiently thin to exhibit flexibility which permits the leg 12 to be moved toward the leg 14 for closing the gap between both leg portions.
- the leg 12 has an inner surface 20 which is provided with an upstanding projection 22 and, in a similar manner, the leg 14 has an inner surface 24 which is provided with an upstanding projection 26.
- Both projections 22 and 26 are shaped to at least partially pierce material disposed in the gap when the legs 12 and 14 are brought toward one another. It will be apparent that While two projections 22 and 26 are shown, in some instances a single projection will suffice and in other cases additional projections extending from one or both surfaces may be desired.
- FIGURE 2 The use of the fastener and the method of confining textile material within the fastener is shown in FIGURE 2.
- the fastener 10 is set on an anvil, material 30 to be retained, such as drape material, is inserted into the gap be tween the legs 12 and 14, and ultrasonic energy is coupled into the projection 22 and projection 26 by means of a mechanical impedance transformer, also known as horn, applied to the outer surface of the leg 12.
- the horn forms a part of a sonic or ultrasonic energy converter which by forced contact urges the leg 12 toward the stationary leg 14 while simultaneously vibrating at a sonic or ultrasonic frequency.
- the projections 22 and 26 Responsive to the pressure applied the projections 22 and 26 at least partially pierce the material 30 and responsive to the dissipation of sonic energy caused by frictional contact, the projections soften and provide a fusion bond with the material 30 and the opposing fastener surface.
- the softening is achieved generally in one second or less.
- a small amount of dwell time is necessary after the cessation of sonic energy transfer in order to permit the molten thermoplastic material to harden.
- Particularly favorable results are achieved with ultrasonic frequency in the order of 16 kHz. or higher and using a welding apparatus as is available from the Branson Sonic Power Company, Danbury, Conn, Model J32.
- the fastening together of thermoplastic parts by means of sonic or ultrasonic energy is described also in U.S.
- Patent No. 3,224,916 issued to Robert S. Soloff et a1., entitled Sonic Method of Welding Thermoplastic Parts dated Dec. 21, 1965. Additional reference may be made to Ultrasonic Engineering (book) by Julian R. Frederick, John Wiley & Sons, Inc., New York (1965), pg. 190, Welding (Sealing) of Plastics.
- the fused areas caused by the dissipation of sonic energy are indicated by numerals 32.
- FIGURE 3 shows a design similar to FIGURE 2 except that two juxtaposed sheet materials 30a and 30b are retained by the fastener.
- FIGURE 4 illustrates that the fastener may be manufactured as a strip, for instance by an extrusion process.
- the fastener may be used as a strip, for instance for hanging drapes, or the strip may be cut at periodic intervals, such as at lines 36 and 38 for providing individual fastener clips.
- FIGURE 5 shows the construction of a thermoplastic button for attachment to a garment.
- the upper half of the button 40 is made of molded thermoplastic material and is provided at its underside with a projection 42.
- the lower button portion 44 also made of thermoplastic material, is a flat circular disk.
- FIGURE 6 shows the button portions fused to each other, holding therebetween two sheets 30a and 30b of textile material.
- a button of this type may be attached for instance, to pillows after the pillow is stuffed with the filler material.
- the projection 42 will pierce the material and responsive to the application of sonic energy fuse to the lower button portion 44.
- the button may be provided with ornamentation, either as a part of the construction itself or added, as by an insert.
- FIGURES 7 and 8 illustrate a button construction particularly suited for attachment to a garment.
- the upper button part 50 is of circular shape and is fitted at its underside with a circular extension 52 in order to leave space for buttoning an upper garment layer.
- the button 50 is provided with three projections 54.
- the lower button portion again is a plain circular disk 56, but it should be understood that it may be constructed similarly with upstanding projections.
- FIGURE 8 shows the upper button portion 50 fused to the lower button portion 56 holding therebetween a garment 30.
- the extension 52 as clearly illustrated, provides space for buttoning another overlying portion of the garment such as is the case when buttoning a coat, a jacket or a blouse.
- a fastener for firmly holding flexible sheet material comprising: a generally U-shaped clip of plastic material having a flexible bight portion and substantially rigid leg portions; the inner surfaces of the leg portions each having at least one pointed projection extending therefrom towards the opposite inner surface a suflicient distance to piercingly engage sheet material inserted between the said leg portions; said projections being staggered relative to each other and being formed from thermoplastic material which is responsive to the application of sonic energy when forcibly applied thereto to simultaneously soften all the points of the projections to provide fusion bonds with the said sheet material.
- interposing sheet material to be retained between two opposing thermoplastic surfaces, at least one of said surfaces having a projection adapted to at least partially pierce the interposed material; urging said surfaces toward each other and simultaneously coupling sonic energy into said projection,
- DONALD A. GRIFFIN Primary Examiner U.S. Cl. X.R.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Description
FASTENER FOR HOLDING FLEXIBLE SHEET MATERIAL AND METHOD FOR RETAINING SUCH MATERIAL Filed April 22, 1968 Aug. 26, 1969 R. c. HORTON 3,462,803
f F G- 2 HORN ANVIL F I (3. 3 30 7 I" 32 F I G. 4
FIG. 5
ROBERT C. HORTON INVENTOR.
3,462,803 FASTENER FOR HOLDING FLEXIBLE SHEET MA- TERIAL AND METHOD FOR RETAINING SUCH MATERIAL Robert C. Horton, Rochester, N.Y., assignor to Branson Instruments, Incorporated, Stamford, Coum, a corporation of Delaware Filed Apr. 22, 1968, Ser. No. 723,200 Int. 'Cl. A44b 21 U.S. Cl. 24-150 4 Claims ABSTRACT OF THE DISCLOSURE A thermoplastic fastening means for attachment to or retention of textile material has a projection which is adapted to at least partially pierce the material and fuses responsive to the application of sonic or ultrasonic energy.
This invention refers to a fastener for flexible sheet material and to a method for retaining such material within the fastener. More particularly, this invention refers to a fastener and a method for retaining flexible sheet material using sonic or ultrasonic energy for causing the retention of the material. Quite specifically, this invention is directed toward the construction of a fastening means and the use of energy in the sonic or ultrasonic frequency range to provide for the assembly of the fastening means and for the retention of interposed material, particularly textile material.
In the past some eifort has been expended toward the use of sonic and particularly ultrasonic energy for seaming and fastening textile materials. With the advent of synthetic fibers, specifically thermoplastic fibers, the possibility of employing such energy has been greatly enhanced. It long has been-felt that using ultrasonic energy for seaming and fastening materials would provide great savings in labor and, thus, reduce the cost of the final product. Generally, processing with ultrasonic energy is very fast, can be performed by persons with a minimum amount of skill, and, most importantly, the material itself is not weakened as is the case when conventional sewing is employed where a needle punctures the fabric at regular intervals. However, the use of ultrasonic energy, particularly when employed in conjunction with textile materials, requires new and unique fastening means.
One of the principal objects of this invention is, therefore, the provision of new and novel fastening means particularly suited for the use of sonic or ultrasonic energy.
Another important object of this invention is the provision of a fastener adapted to retain flexible sheet material whereby such retention is caused responsive to the application of sonic or ultrasonic energy.
A further important object of this invention is the provision of a new method for retaining flexible, sheet-like material within a fastener.
A further and other important object of this invention is the provision of a novel button for textile material which can be attached to the textile material using sonic or ultrasonic energy.
Still further and other objects of this invention will be more clearly apparent by reference to the following description when taken in conjunction with the accompanying drawings, in which:
FIGURE 1 is a vertical section through a typical embodiment of a fastener, showing the fastener in its open condition;
FIGURE 2 is a sectional view showing the closing of the fastener and the use of ultrasonic energy While the textile material is retained within the fastener;
Patent 0 FIGURE 3 is a view similar to FIGURE 2 illustrating the retention of two juxtaposed sheet materials;
FIGURE 4 is a perspective view of the fastener per FIGURES 1 through 3 manufactured in strip form;
FIGURE 5 is a sectional view of a typical button assembly construction;
FIGURE 6 shows the button per FIGURE 5 attached to textile material and holding two sheet materials;
FIGURE 7 depicts an alternative button construction, and
FIGURE 8 shows the button construction per FIGURE 7 attached to a textile material.
Referring now to the figures and FIGURE 1 in particular, there is shown a typical embodiment of a fastener 10 which is made of thermoplastic material. The fastener 10 may have a convenient length and width to suit the particular requirement. As shown, the fastener 10 is constructed in the shape of a spread U having a first leg portion 12 and a second leg portion 14, both leg portions being joined at a base portion 16. The base portion 16 is sufficiently thin to exhibit flexibility which permits the leg 12 to be moved toward the leg 14 for closing the gap between both leg portions. The leg 12 has an inner surface 20 which is provided with an upstanding projection 22 and, in a similar manner, the leg 14 has an inner surface 24 which is provided with an upstanding projection 26. Both projections 22 and 26 are shaped to at least partially pierce material disposed in the gap when the legs 12 and 14 are brought toward one another. It will be apparent that While two projections 22 and 26 are shown, in some instances a single projection will suffice and in other cases additional projections extending from one or both surfaces may be desired.
The use of the fastener and the method of confining textile material within the fastener is shown in FIGURE 2. The fastener 10 is set on an anvil, material 30 to be retained, such as drape material, is inserted into the gap be tween the legs 12 and 14, and ultrasonic energy is coupled into the projection 22 and projection 26 by means of a mechanical impedance transformer, also known as horn, applied to the outer surface of the leg 12. The horn forms a part of a sonic or ultrasonic energy converter which by forced contact urges the leg 12 toward the stationary leg 14 while simultaneously vibrating at a sonic or ultrasonic frequency. Responsive to the pressure applied the projections 22 and 26 at least partially pierce the material 30 and responsive to the dissipation of sonic energy caused by frictional contact, the projections soften and provide a fusion bond with the material 30 and the opposing fastener surface. The softening is achieved generally in one second or less. A small amount of dwell time is necessary after the cessation of sonic energy transfer in order to permit the molten thermoplastic material to harden. Particularly favorable results are achieved with ultrasonic frequency in the order of 16 kHz. or higher and using a welding apparatus as is available from the Branson Sonic Power Company, Danbury, Conn, Model J32. The fastening together of thermoplastic parts by means of sonic or ultrasonic energy is described also in U.S. Patent No. 3,224,916 issued to Robert S. Soloff et a1., entitled Sonic Method of Welding Thermoplastic Parts dated Dec. 21, 1965. Additional reference may be made to Ultrasonic Engineering (book) by Julian R. Frederick, John Wiley & Sons, Inc., New York (1965), pg. 190, Welding (Sealing) of Plastics.
The fused areas caused by the dissipation of sonic energy are indicated by numerals 32.
FIGURE 3 shows a design similar to FIGURE 2 except that two juxtaposed sheet materials 30a and 30b are retained by the fastener.
FIGURE 4 illustrates that the fastener may be manufactured as a strip, for instance by an extrusion process.
The fastener may be used as a strip, for instance for hanging drapes, or the strip may be cut at periodic intervals, such as at lines 36 and 38 for providing individual fastener clips.
FIGURE 5 shows the construction of a thermoplastic button for attachment to a garment. The upper half of the button 40 is made of molded thermoplastic material and is provided at its underside with a projection 42. The lower button portion 44, also made of thermoplastic material, is a flat circular disk.
FIGURE 6 shows the button portions fused to each other, holding therebetween two sheets 30a and 30b of textile material. A button of this type may be attached for instance, to pillows after the pillow is stuffed with the filler material. In response to pressure applied the projection 42 will pierce the material and responsive to the application of sonic energy fuse to the lower button portion 44. It will be apparent that the button may be provided with ornamentation, either as a part of the construction itself or added, as by an insert.
FIGURES 7 and 8 illustrate a button construction particularly suited for attachment to a garment. The upper button part 50 is of circular shape and is fitted at its underside with a circular extension 52 in order to leave space for buttoning an upper garment layer. The button 50 is provided with three projections 54. The lower button portion again is a plain circular disk 56, but it should be understood that it may be constructed similarly with upstanding projections.
FIGURE 8 shows the upper button portion 50 fused to the lower button portion 56 holding therebetween a garment 30. The extension 52, as clearly illustrated, provides space for buttoning another overlying portion of the garment such as is the case when buttoning a coat, a jacket or a blouse.
It will be apparent that the constructions shown hereinabove are merely illustrative of a multitude of designs which may be used for fasteners and buttons, all being adapted for attachment to and for retaining sheet-like textile materials, the attachment and retention being ef fected by the use of sonic or ultrasonic energy. It will be noted that such attachment can be achieved with a minimum of difficulty and without weakening the material. If the material is of the thermoplastic type or contains at least in part thermoplastic fibers, the material itself will fuse to the softened button projection and thereby enhance the strength of attachment. It will be noted, however, that the fusion joint is well concealed within the fastener or button and that the appearance of the final product is as pleasing as is the case with presently known sewing techniques.
What is claimed is:
1. A fastener for firmly holding flexible sheet material comprising: a generally U-shaped clip of plastic material having a flexible bight portion and substantially rigid leg portions; the inner surfaces of the leg portions each having at least one pointed projection extending therefrom towards the opposite inner surface a suflicient distance to piercingly engage sheet material inserted between the said leg portions; said projections being staggered relative to each other and being formed from thermoplastic material which is responsive to the application of sonic energy when forcibly applied thereto to simultaneously soften all the points of the projections to provide fusion bonds with the said sheet material.
2. The method for retaining flexible sheet material comprising:
interposing sheet material to be retained between two opposing thermoplastic surfaces, at least one of said surfaces having a projection adapted to at least partially pierce the interposed material; urging said surfaces toward each other and simultaneously coupling sonic energy into said projection,
whereby said projection responsive to the dissipation of sonic energy softens and fuses with the opposing surface, causing said interposed material to be retained between said opposing surfaces.
3. The method of retaining flexible material as set forth in claim 2, said sonic energy being in the ultrasonic frequency range.
4. The method of retaining flexible material as set forth in claim 3, said energy being coupled into said projection by a vibrating horn which urges also said surfaces toward each other.
References Cited UNITED STATES PATENTS 882,027 3/1908 Strauss 24-90 X 2,104,885 1/1938 Robbins 2490 2,542,077 2/1951 Gershen 2415O X 3,224,916 12/1965 Soloff et a1. 156-73 3,294,616 12/1966 Linsley et al 156-73 X 3,369,279 2/1968 Erteszek 24255 X FOREIGN PATENTS 995,680 8/ 1951 France.
123,359 1959 U.S.S.R.
DONALD A. GRIFFIN, Primary Examiner U.S. Cl. X.R.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72320068A | 1968-04-22 | 1968-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3462803A true US3462803A (en) | 1969-08-26 |
Family
ID=24905271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US723200A Expired - Lifetime US3462803A (en) | 1968-04-22 | 1968-04-22 | Fastener for holding flexible sheet material and method for retaining such material |
Country Status (1)
Country | Link |
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US (1) | US3462803A (en) |
Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3650647A (en) * | 1969-05-21 | 1972-03-21 | Jacobs Machine Corp | Apparatus for securing buttons to fabric |
US3717351A (en) * | 1971-04-19 | 1973-02-20 | Microdt Inc | Seal |
US3754310A (en) * | 1971-07-29 | 1973-08-28 | Underwriters Safety Device Co | Method of making an electrical assembly fastened with thermoplastic eyelet |
US3819437A (en) * | 1972-08-31 | 1974-06-25 | Moldex Inc | Sonic welding |
US3874963A (en) * | 1973-11-08 | 1975-04-01 | Kuss & Co R L | Sonic bonding process |
US3932918A (en) * | 1973-06-01 | 1976-01-20 | Eaton Corporation | Releasably attachable clip |
US3943608A (en) * | 1975-01-08 | 1976-03-16 | Thomas & Betts Corporation | Bundling strap |
US4063334A (en) * | 1976-02-05 | 1977-12-20 | Caterpillar Tractor Co. | Spring-type fastener |
US4156271A (en) * | 1976-05-05 | 1979-05-22 | General Electric Company | Reflector lamp |
US4170299A (en) * | 1978-01-05 | 1979-10-09 | Ben Clements & Sons, Inc. | Rack and tie-back clip assembly |
US4222974A (en) * | 1978-11-21 | 1980-09-16 | Phillips Petroleum Company | Method of making hermetically sealed container with frangible seal |
US4265002A (en) * | 1979-08-13 | 1981-05-05 | Hosken James C | Magnetic fastening means |
US4312077A (en) * | 1978-03-16 | 1982-01-26 | Bengt Petersson New Products Investment Ab | Method of fastening buttons and the like to a textile material and an apparatus for practising such method |
US4315351A (en) * | 1977-06-17 | 1982-02-16 | Lovable Italiana S.P.A. | Slider for ribbons and assembling process thereof |
US4457051A (en) * | 1977-06-17 | 1984-07-03 | Lovable Industriale S.P.A. | Slider for ribbons and assembling process thereof |
US4465186A (en) * | 1983-07-14 | 1984-08-14 | Meyers Jonathan H | Holder for clips |
US4527689A (en) * | 1983-07-14 | 1985-07-09 | Meyers Jonathan H | Method and apparatus for mounting clips |
US4682366A (en) * | 1985-08-27 | 1987-07-21 | Minigrip, Incorporated | Attachment of plastic zipper to incompatible bag wall web |
US4735753A (en) * | 1986-07-28 | 1988-04-05 | Ackermann Walter T | Method of making a fastener |
US4832317A (en) * | 1982-03-11 | 1989-05-23 | Dunlop Limited A British Company | Fluid pressure devices |
US5049274A (en) * | 1988-01-11 | 1991-09-17 | Filtertek, Inc. | Friction welding process and filter formed thereby |
US5390396A (en) * | 1992-10-19 | 1995-02-21 | Yoshida Kogyo K.K. | End stops of synthetic resin for slide fastener |
US5425160A (en) * | 1994-03-29 | 1995-06-20 | Krapf; Wallace A. | Magnetic paper clamp and method of producing same |
US5690444A (en) * | 1995-09-29 | 1997-11-25 | Ykk Corporation | Cord equipped with connector |
EP0809953A2 (en) * | 1996-05-27 | 1997-12-03 | Ykk Corporation | Connector-equipped cord. |
US6423088B1 (en) | 1998-07-08 | 2002-07-23 | Axya Medical, Inc. | Sharp edged device for closing wounds without knots |
US6442808B2 (en) * | 2000-05-24 | 2002-09-03 | Fildan Accessories Corporation | Button fastener |
ES2209663A1 (en) * | 2003-12-18 | 2004-06-16 | Fdll, S.L. | Device for corsetry and similar comprises moulded piece in welded synthetic material which has zone formed as hook or ring |
WO2008010194A2 (en) * | 2006-07-19 | 2008-01-24 | National Molding Italia S.R.L. | A method for manufacturing a connecting device such as a buckle or a strap adjustment system, particularly for rucksacks, bags and the like, and a buckle and strap adjustment system which can be made by such method |
DE102007015167A1 (en) * | 2007-03-27 | 2008-10-02 | Rehau Ag + Co. | helical support |
US7758614B2 (en) | 1998-07-08 | 2010-07-20 | Tornier, Inc. | Coupling member for knotless sutures and ligatures |
US20110232046A1 (en) * | 2008-10-14 | 2011-09-29 | Amron Scott L | Banknote adapted to form a magnetic money clip |
US20120215233A1 (en) * | 2002-08-27 | 2012-08-23 | Bonutti Peter M | System for securing a portion of a body |
US20140345093A1 (en) * | 2012-02-06 | 2014-11-27 | Springs Window Fashions, Llc | Window covering fastener particularly suitable for arched coverings |
US20180141692A1 (en) * | 2015-05-19 | 2018-05-24 | Sonoco Development Inc. | Lid assembly for a packing container, packing container with such a lid assembly, and method for manufacturing same |
US10926187B2 (en) * | 2019-02-05 | 2021-02-23 | Feltro Inc. | Modular construction panels and fasteners therefor |
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US882027A (en) * | 1904-07-01 | 1908-03-17 | Maurice M Strauss | Combined button and garment-supporter. |
US2104885A (en) * | 1936-09-17 | 1938-01-11 | George A Robbins | Button fastener |
US2542077A (en) * | 1948-12-27 | 1951-02-20 | Irvin J Gershen | Self-securing curtain hanger |
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US3294616A (en) * | 1963-10-03 | 1966-12-27 | Branson Instr | Apparatus for sealing polymeric sheet material by ultrasonic energy |
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Cited By (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3650647A (en) * | 1969-05-21 | 1972-03-21 | Jacobs Machine Corp | Apparatus for securing buttons to fabric |
US3717351A (en) * | 1971-04-19 | 1973-02-20 | Microdt Inc | Seal |
US3754310A (en) * | 1971-07-29 | 1973-08-28 | Underwriters Safety Device Co | Method of making an electrical assembly fastened with thermoplastic eyelet |
US3819437A (en) * | 1972-08-31 | 1974-06-25 | Moldex Inc | Sonic welding |
US3973064A (en) * | 1972-08-31 | 1976-08-03 | Moldex, Inc. | Engaged beveled sheet faces adapted to be sonically welded |
US3932918A (en) * | 1973-06-01 | 1976-01-20 | Eaton Corporation | Releasably attachable clip |
US3874963A (en) * | 1973-11-08 | 1975-04-01 | Kuss & Co R L | Sonic bonding process |
US3943608A (en) * | 1975-01-08 | 1976-03-16 | Thomas & Betts Corporation | Bundling strap |
US4063334A (en) * | 1976-02-05 | 1977-12-20 | Caterpillar Tractor Co. | Spring-type fastener |
US4156271A (en) * | 1976-05-05 | 1979-05-22 | General Electric Company | Reflector lamp |
US4457051A (en) * | 1977-06-17 | 1984-07-03 | Lovable Industriale S.P.A. | Slider for ribbons and assembling process thereof |
US4315351A (en) * | 1977-06-17 | 1982-02-16 | Lovable Italiana S.P.A. | Slider for ribbons and assembling process thereof |
US4170299A (en) * | 1978-01-05 | 1979-10-09 | Ben Clements & Sons, Inc. | Rack and tie-back clip assembly |
US4312077A (en) * | 1978-03-16 | 1982-01-26 | Bengt Petersson New Products Investment Ab | Method of fastening buttons and the like to a textile material and an apparatus for practising such method |
US4222974A (en) * | 1978-11-21 | 1980-09-16 | Phillips Petroleum Company | Method of making hermetically sealed container with frangible seal |
US4265002A (en) * | 1979-08-13 | 1981-05-05 | Hosken James C | Magnetic fastening means |
US4832317A (en) * | 1982-03-11 | 1989-05-23 | Dunlop Limited A British Company | Fluid pressure devices |
US4465186A (en) * | 1983-07-14 | 1984-08-14 | Meyers Jonathan H | Holder for clips |
US4527689A (en) * | 1983-07-14 | 1985-07-09 | Meyers Jonathan H | Method and apparatus for mounting clips |
US4682366A (en) * | 1985-08-27 | 1987-07-21 | Minigrip, Incorporated | Attachment of plastic zipper to incompatible bag wall web |
US4807300A (en) * | 1985-08-27 | 1989-02-21 | Minigrip, Inc. | Plastic zipper bag with anchor-socket attachment arrangement |
US4735753A (en) * | 1986-07-28 | 1988-04-05 | Ackermann Walter T | Method of making a fastener |
US5049274A (en) * | 1988-01-11 | 1991-09-17 | Filtertek, Inc. | Friction welding process and filter formed thereby |
US5390396A (en) * | 1992-10-19 | 1995-02-21 | Yoshida Kogyo K.K. | End stops of synthetic resin for slide fastener |
US5425160A (en) * | 1994-03-29 | 1995-06-20 | Krapf; Wallace A. | Magnetic paper clamp and method of producing same |
US5690444A (en) * | 1995-09-29 | 1997-11-25 | Ykk Corporation | Cord equipped with connector |
EP0809953A2 (en) * | 1996-05-27 | 1997-12-03 | Ykk Corporation | Connector-equipped cord. |
EP0809953A3 (en) * | 1996-05-27 | 1998-06-17 | Ykk Corporation | Connector-equipped cord. |
US5878467A (en) * | 1996-05-27 | 1999-03-09 | Ykk Corporation | Connector-equipped cord |
US7758614B2 (en) | 1998-07-08 | 2010-07-20 | Tornier, Inc. | Coupling member for knotless sutures and ligatures |
US6423088B1 (en) | 1998-07-08 | 2002-07-23 | Axya Medical, Inc. | Sharp edged device for closing wounds without knots |
US6442808B2 (en) * | 2000-05-24 | 2002-09-03 | Fildan Accessories Corporation | Button fastener |
US9750496B2 (en) * | 2002-08-27 | 2017-09-05 | P Tech, Llc | System for securing a portion of a body |
US20120215233A1 (en) * | 2002-08-27 | 2012-08-23 | Bonutti Peter M | System for securing a portion of a body |
ES2209663A1 (en) * | 2003-12-18 | 2004-06-16 | Fdll, S.L. | Device for corsetry and similar comprises moulded piece in welded synthetic material which has zone formed as hook or ring |
WO2008010194A3 (en) * | 2006-07-19 | 2008-05-02 | Nat Molding Europ S R L | A method for manufacturing a connecting device such as a buckle or a strap adjustment system, particularly for rucksacks, bags and the like, and a buckle and strap adjustment system which can be made by such method |
WO2008010194A2 (en) * | 2006-07-19 | 2008-01-24 | National Molding Italia S.R.L. | A method for manufacturing a connecting device such as a buckle or a strap adjustment system, particularly for rucksacks, bags and the like, and a buckle and strap adjustment system which can be made by such method |
DE102007015167A1 (en) * | 2007-03-27 | 2008-10-02 | Rehau Ag + Co. | helical support |
US20110232046A1 (en) * | 2008-10-14 | 2011-09-29 | Amron Scott L | Banknote adapted to form a magnetic money clip |
US8826497B2 (en) * | 2008-10-14 | 2014-09-09 | Invisible Money Clip, Llc | Banknote adapted to form a magnetic money clip |
US20140345093A1 (en) * | 2012-02-06 | 2014-11-27 | Springs Window Fashions, Llc | Window covering fastener particularly suitable for arched coverings |
US9462908B2 (en) * | 2012-02-06 | 2016-10-11 | Springs Window Fashions, Llc | Window covering fastener particularly suitable for arched coverings |
US20180141692A1 (en) * | 2015-05-19 | 2018-05-24 | Sonoco Development Inc. | Lid assembly for a packing container, packing container with such a lid assembly, and method for manufacturing same |
US10926187B2 (en) * | 2019-02-05 | 2021-02-23 | Feltro Inc. | Modular construction panels and fasteners therefor |
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