GB2214463A - Forming jewellery display pads - Google Patents

Forming jewellery display pads Download PDF

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Publication number
GB2214463A
GB2214463A GB8802112A GB8802112A GB2214463A GB 2214463 A GB2214463 A GB 2214463A GB 8802112 A GB8802112 A GB 8802112A GB 8802112 A GB8802112 A GB 8802112A GB 2214463 A GB2214463 A GB 2214463A
Authority
GB
United Kingdom
Prior art keywords
pad
jewellery
electrode
ears
shape
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Withdrawn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
GB8802112A
Other versions
GB8802112D0 (en
Inventor
Leo Feiner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8802112A priority Critical patent/GB2214463A/en
Publication of GB8802112D0 publication Critical patent/GB8802112D0/en
Publication of GB2214463A publication Critical patent/GB2214463A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F7/00—Show stands, hangers, or shelves, adapted for particular articles or materials
    • A47F7/02—Show stands, hangers, or shelves, adapted for particular articles or materials for jewellery, dentures, watches, eye-glasses, lenses, or the 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7441—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc for making welds and cuts of other than simple rectilinear form
    • 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
    • B29C66/40—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
    • B29C66/45—Joining of substantially the whole surface of the 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0045—Perforating
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • 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
    • B29L2031/743—Jewellery
    • B29L2031/7432—Gems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Display Devices Of Pinball Game Machines (AREA)

Abstract

Cushioned pads for jewellery display are formed by simultaneously high-frequency welding and cutting three layers of PVC, including a middle layer of foam plastic, using a shaped electrode having cutting edges. Each pad is generally square with two opposite ears 2 for hooking over a bar, and the electrode is fashioned with a multiplicity of such interweaved pad contours. <IMAGE>

Description

IMPROVEMENTS IN JEWELLERY DISPLAY MOUNTINGS Mountings for the display of jewellery or the like usually consist of a support or frame on which may be hung, or otherwise demountably attached; small pads or carriers for carrying an individual item, or a small number of items, of jewellery. The pad or carrier will usually have slots or holes for easy push-on and pull-off of the jewellery item.
Such display pads need to have an aesthetically pleasing appearance, for example, a dark-coloured velvet finish, and also be provided with suitable part for demountable attachment to the supporting frame. A common method of production utilises a plastics moulding of the general form shown in Fig. 1. The carrier 1 has a bent-over portion 2 which hangs on a cross-piece of the frame. A carrier of this type hardly fulfils the aesthetic requirements unless additional soft material is attached e.g. by adhesive. This requires an additional production step.
Another disadvantage of this method of mounting is the ease with which the carrier can slip of the frame when inverted, for example, during transport. Although initially the bent-over portion can be formed to give a snap attachment with the bar, repeated removal eventually destroys the resilience.
It is an object of the present invention to provide a display pad adapted to hang on a supporting frame where the display pad comprises more than one layer of plastics material, these materials being together cut to the required contour by a high-frequency welding electrode shaped to this contour and having sharpened edges, the layers becoming welded together near the edges of the contour. The contour is generally square or rectangular with side-pieces, or ears, which may be bent back for hanging on the supporting frame.
It is a further object of the invention simultaneously to produce a multiplicity of such display pads, and with minimum wastage of material, by placing the ears near the top of the pad, the ears having a general outline which is anti-symmetric to the opposing space near the bottom of the pad so that adjacent pads are, during production, in upside-down relationship, with the two adjacent ears more or less filling a small rectangular space.
A preferred embodiment of the invention will now be described with reference to the accompanying drawings in which: Fig. 1 shows the general frame-and -mount set-up to which the present invention relatess; Fig. 2 shows an array of display pads according to the invention as they are produced by the welding/cutting process; Fig. 3 shows a modification of the embodiment.
In the preferred embodiment three layers of plastics materials are used:- (1) a bottom, thin flexible layer of hard PVC or the like which will be the back of the pad; (2) a middle layer of foam plastic; (3) an upper layer of soft plastics with a flock finish.
The three layers of material are rolled off separate spools and superposed on the welding table. The high-frequency welding tool is then lowered and produces two simultaneous effects. The pad contours are cut out by the sharp electrode edges; adjacent to the pad edges all three plastics layers fuse. The result is a cushioned pad.
One form of contour for the pads is shown in Fig. 2 which shows four such pads. In practice, the welding electrode is formed with some 32 or 40 such units in opposite orientation. The body of the pad 1 is, at the same time, punctured by the electroded with suitable holes and/or slots for anchoring the piece(s) of jewellery. The ears 2 as shown are separated from the body of the pad at their lower ends 3 ('lower' in the pad's normal hanging position). The ears can thus be hooked over the frame of Fig. 1. The welding electrode is shaped to partly penetrate the upper boundary 4 between ear and pad body to facilitate bending. In this embodiment the shape of the ears ensures firm, though easily demountable, attachment to the frame.
Fig. 3 shows a simpler shape for the ear when the safer, though slightly more awkward shape of Fig. 3 is not required.
Although the description pad implies an outer layer with inner padding it is used in this specification, and in the statement of claim, in the loose sense of carrier for the jewellery which is intended to include the situation where only a single layer of material is used. Such a material may itself be composite.

Claims (9)

Claims
1. A method of producing a display pad suitable for displaying jewellery involving the steps of forming an electrode for a high-frequency welding tool to have the shape of the desired shape of pad, this shape being generally square or rectangular with two side-pieces in the manner of ears on two opposing sides for the purpose of hooking over a bar, the electrode edges being sharpened and used to cut out the desired shape from a larger area of material used for the pad.
2. A method as claim 1 where more than one layer of material is used so that the electrode edges will both cut the shape of the pad and, at least near the pad edges, weld the layers together to give a cushion effect.
3. A method of manufacturing a pad according to claim 1 or 2 in which the the ears are both in the upper half of the pad.
4. A method of manufacturing a pad as in any previous claim in which the welding electrode is formed with a multiplicity of pad contours for multiple production of pads.
5. A method of manufacturing a pad as in claim 4 in which adjacent pad 2: contours areareKupside-down relationship, and the ears more or less fill an an intervening rectangular area between the contours of the bodies of adjacent pads so as to minimise wastage.
6. A pad for displaying jewellery produced as in any of the previous methods.
7. A method of sanufacturing a jewellery display pad substantially as herein described with refernce to the accompanying drawings.
8. A pad for displaying jewellery substantially as herein described with reference to the accompanying drawings.
9. A high-frequency welding electrode for use in any of the methods described in claims 1 - 5 and claim 7
GB8802112A 1988-02-01 1988-02-01 Forming jewellery display pads Withdrawn GB2214463A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8802112A GB2214463A (en) 1988-02-01 1988-02-01 Forming jewellery display pads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8802112A GB2214463A (en) 1988-02-01 1988-02-01 Forming jewellery display pads

Publications (2)

Publication Number Publication Date
GB8802112D0 GB8802112D0 (en) 1988-03-02
GB2214463A true GB2214463A (en) 1989-09-06

Family

ID=10630815

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8802112A Withdrawn GB2214463A (en) 1988-02-01 1988-02-01 Forming jewellery display pads

Country Status (1)

Country Link
GB (1) GB2214463A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB639716A (en) * 1947-02-04 1950-07-05 Airmec Lab Ltd Improvements in or relating to the joining of sheet plastic material by r.f. energy
GB664128A (en) * 1948-10-19 1952-01-02 Standard Telephones Cables Ltd Method and device for cutting and high frequency welding parts of thermo-plastic material in one operation
GB731505A (en) * 1953-09-01 1955-06-08 Marcel Canat De Chizy Process of seam welding of sheets of plastic material
GB1256236A (en) * 1967-12-19 1971-12-08 Bernard Rene Marie Joseph Gast Improvements relating to gloves made of plastics material
GB1306591A (en) * 1970-01-21 1973-02-14 Chrysler Uk Methods and apparatus for forming a recess in a side of a composite panel
GB1324017A (en) * 1971-10-14 1973-07-18 Stafford Tool Machine Co Ltd Dies
GB1518830A (en) * 1975-12-29 1978-07-26 Nishizawa Exchangeable-dressing doll
GB2032344A (en) * 1978-10-06 1980-05-08 Furga G A method of making clothes for dolls

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB639716A (en) * 1947-02-04 1950-07-05 Airmec Lab Ltd Improvements in or relating to the joining of sheet plastic material by r.f. energy
GB664128A (en) * 1948-10-19 1952-01-02 Standard Telephones Cables Ltd Method and device for cutting and high frequency welding parts of thermo-plastic material in one operation
GB731505A (en) * 1953-09-01 1955-06-08 Marcel Canat De Chizy Process of seam welding of sheets of plastic material
GB1256236A (en) * 1967-12-19 1971-12-08 Bernard Rene Marie Joseph Gast Improvements relating to gloves made of plastics material
GB1306591A (en) * 1970-01-21 1973-02-14 Chrysler Uk Methods and apparatus for forming a recess in a side of a composite panel
GB1324017A (en) * 1971-10-14 1973-07-18 Stafford Tool Machine Co Ltd Dies
GB1518830A (en) * 1975-12-29 1978-07-26 Nishizawa Exchangeable-dressing doll
GB2032344A (en) * 1978-10-06 1980-05-08 Furga G A method of making clothes for dolls

Also Published As

Publication number Publication date
GB8802112D0 (en) 1988-03-02

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)