EP0028952B1 - Anti-noise assembly of a piece of furniture - Google Patents

Anti-noise assembly of a piece of furniture Download PDF

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Publication number
EP0028952B1
EP0028952B1 EP80401495A EP80401495A EP0028952B1 EP 0028952 B1 EP0028952 B1 EP 0028952B1 EP 80401495 A EP80401495 A EP 80401495A EP 80401495 A EP80401495 A EP 80401495A EP 0028952 B1 EP0028952 B1 EP 0028952B1
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EP
European Patent Office
Prior art keywords
set forth
furniture structure
furniture
sheathing
members
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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
Application number
EP80401495A
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German (de)
French (fr)
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EP0028952A1 (en
Inventor
Marcel Mathou
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Individual
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Individual
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Publication date
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Publication of EP0028952A1 publication Critical patent/EP0028952A1/en
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Publication of EP0028952B1 publication Critical patent/EP0028952B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A47C5/08—Tubular chairs having sheathed tubes; Adaptation of sheathed tubes thereto
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B95/00—Fittings for furniture
    • A47B95/04—Keyplates; Ornaments or the like
    • A47B95/043—Protecting rims, buffers or the like
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S297/00—Chairs and seats
    • Y10S297/02—Molded

Definitions

  • the present invention relates to pieces of furniture and more particularly, a structure of furniture with anti-noise assembly.
  • Modern pieces of furniture for example chairs, stepladders or ladders have, whatever the material of the elements of these pieces of furniture, very pronounced idiophone effects when these pieces of furniture collide between them or with fixed structures, as we can see when installing performance halls or banquets, and especially in schools, more particularly in kindergartens.
  • modern pieces of furniture are frequently made with elements at least partially covered with a coating, obtained either by depositing a lacquering material or by placing a heat shrinkable plastic sheath.
  • This type of sheath pressed against the structural element, remains totally dependent on the specific configuration of this structural element and only reduces the disadvantages of the effects of idio- to a very small extent, if not at all. phone mentioned above.
  • DE-A-1 554 454 describes a seat generally produced from a tubular profile and in which armrests are made of elastic or semi-rigid material. These armrests, however, have large cavities which can resonate during certain impacts. In addition, the plastic covering is limited to the area of the armrests so that no anti-noise effect is obtained during a side impact on the seat.
  • An object of the invention is to propose a structure of furniture with anti-noise characteristics making it possible to obviate these drawbacks, by proposing a structure consisting of the assembly of a structural element and a sheathing element, arranged around of this structural element offering, without modification of costs and without reduction in mechanical strength, remarkable sound absorption against the effects of idiophone and a significant reduction in the weight of the structure.
  • Another object of the present invention is a furniture structure of this type offering great flexibility of use by making, in particular, the external appearance of the furniture structure, conferred by the sheathing elements, relatively independent of the proper structure of the structural elements, tractors or carriers, providing the supporting framework for a piece of furniture.
  • a furniture structure with anti-noise assembly comprising at least a first structural element of elongated shape and a second sheathing element substantially of the same length as the first element and surrounding this last, characterized in that the second element is made of a rigid or at least semi-rigid material and in that the first element comprises a series of longitudinal edges between which space is formed between the first and second elements. the profile circumscribed at the edges being equal to or slightly less than the internal profile of the second element in order to produce a clearance forming a cushioning cushion over the major part of the periphery of the first element between the latter and the internal profile of the second element.
  • FIG 1 a ladder type furniture structure that can also constitute part of the base of a chair, and comprising a bar 1 connecting two uprights 2 and 3.
  • the right upright 2 is of the known type with a smooth core 4, coated with a plastic sheath 5, for example, heat shrinkable.
  • the bar 1 also shown in FIG. 2, comprises a first structural element where core 6, of cylindrical shape, advantageously of wood and formed, on its periphery, with grooves 7, obtained for example by jaws during of the conformation of the core 6.
  • the circle circumscribing the ribs or ridges 8 projecting between the grooves 7 corresponds in value slightly less than the internal diameter of the rigid or semi-rigid sheath 9, made for example of acrylonitrile-butadiene-styrene or high density polyethylene, fitted on the first element 6.
  • the bar 1 is housed at its ends in stepped recesses in the uprights 2 and 3, these stepped recesses comprising a deeper central bore 10, to receive the end of the core 6, and a shallower coaxial bore 11 to receive the end of the sheath 9, the sheath 5 of the upright of course having a cut similar to the shallower bore 11.
  • stepped recesses comprising a deeper central bore 10, to receive the end of the core 6, and a shallower coaxial bore 11 to receive the end of the sheath 9, the sheath 5 of the upright of course having a cut similar to the shallower bore 11.
  • the same type of mounting is adopted on the left upright 3 of FIG.
  • the amount 3 may also include a core 4 'fully grooved in the manner of the bar 1, the end cap 13 then being produced simply in the form of a protective cap.
  • the core 4 ′ has a homothetic section of the cylindrical sheath 5 ′ but, as shown in FIG. 3, the core 40 can have a polygonal section, inscribable in the circle of the diameter internal of the sheath 12, so as to bear, thus being centered against the latter only by the edges 15 of the polygon, by providing between its edges air cushions 16, occupying more than 95% of the interface between the structural element and its sheath.
  • the embodiment with a ribbed core shown in Figures 1 and 2 also has a significant advantage with regard to the connection between the bar 1 and the uprights 2 and 3 insofar as the grooves 7 allow a backflow and good distribution of the adhesive disposed in the bottom of the bore 10 prior to the fitting of the bar into the upright.
  • the spacings or clearances between the core and the sheath can be, at least locally, filled with a divided or multicellular stuffing material increasing the sound absorption qualities and also the mechanical strength of the piece of furniture.

Landscapes

  • Laminated Bodies (AREA)
  • Building Environments (AREA)
  • Vibration Dampers (AREA)
  • Furniture Connections (AREA)

Description

La présente invention concerne les pièces de mobilier et plus particulièrement, une structure de mobilier à assemblage anti-bruit.The present invention relates to pieces of furniture and more particularly, a structure of furniture with anti-noise assembly.

Les pièces de mobilier modernes, par exemple les chaises, lex escabeaux ou les échelles présentent, quel que soit le matériau constitutif des éléments de ces pièces de mobilier, des effets d'idiophone très marqués lors de l'entrechoquement de ces pièces de mobilier entre elles ou avec des structures fixes, comme on peut s'en rendre compte lors de l'installation de salles de spectacle ou de banquet, et surtout dans les établissements scolaires, plus particulièrement dans les maternelles. Tant pour des raisons esthétiques que de facilité d'entretien, les pièces de mobilier modernes sont fréquemment réalisées avec des éléments revêtus au moins partiellement d'un gainage, obtenu soit par dépôt d'un matériau de laquage ou par mise en place d'une gaine plastique thermorétractable. L'adjonction de ce genre de gaine, plaquée sur l'élément structurel, reste totalement dépendante de la configuration propre de cet élément structurel et ne réduit que dans une très faible mesure, voire pas du tout, les inconvénients des effets d'idio- phone susmentionnés. Certes, il est connu de réaliser un gainage de certains éléments de meubles pour offrir localement une surface d'appui confortable. Ainsi, le DE-A-1 554 454 décrit un siège généralement réalisé à partir d'un profilé tubulaire et dans lequel des accoudoirs sont réalisés en matériau élastique ou semi-rigide. Ces accoudoirs présentent toutefois des cavités importantes qui peuvent entrer en résonance lors de certains chocs. De plus, le revêtement en matière plastique est limité à la zone des accoudoirs de sorte qu'aucun effet anti-bruit n'est obtenu lors d'un choc latéral sur le siège.Modern pieces of furniture, for example chairs, stepladders or ladders have, whatever the material of the elements of these pieces of furniture, very pronounced idiophone effects when these pieces of furniture collide between them or with fixed structures, as we can see when installing performance halls or banquets, and especially in schools, more particularly in kindergartens. Both for aesthetic reasons and for ease of maintenance, modern pieces of furniture are frequently made with elements at least partially covered with a coating, obtained either by depositing a lacquering material or by placing a heat shrinkable plastic sheath. The addition of this type of sheath, pressed against the structural element, remains totally dependent on the specific configuration of this structural element and only reduces the disadvantages of the effects of idio- to a very small extent, if not at all. phone mentioned above. Admittedly, it is known to make a sheathing of certain pieces of furniture to locally provide a comfortable bearing surface. Thus, DE-A-1 554 454 describes a seat generally produced from a tubular profile and in which armrests are made of elastic or semi-rigid material. These armrests, however, have large cavities which can resonate during certain impacts. In addition, the plastic covering is limited to the area of the armrests so that no anti-noise effect is obtained during a side impact on the seat.

Un objet de l'invention est de proposer une structure de mobilier à caractéristiques anti-bruit permettant d'obvier à ces inconvénients, en proposant une structure constituée de l'assemblage d'un élément structurel et d'un élément de gainage, agencé autour de cet élément structurel offrant, sans modification des coûts et sans diminution de tenue mécanique, un amortissement phonique remarquable contre les effets d'idiophone et une réduction sensible du poids de la structure.An object of the invention is to propose a structure of furniture with anti-noise characteristics making it possible to obviate these drawbacks, by proposing a structure consisting of the assembly of a structural element and a sheathing element, arranged around of this structural element offering, without modification of costs and without reduction in mechanical strength, remarkable sound absorption against the effects of idiophone and a significant reduction in the weight of the structure.

La présente invention a pour autre objet une structure de mobilier de ce type offrant une grande souplesse d'utilisation en rendant, notamment, l'aspect extérieur de la structure de mobilier, conféré par les éléments de gainage, relativement indépendante de la structure propre des éléments structurels, tracteurs ou porteurs, réalisant l'ossature porteuse d'une pièce de mobilier.Another object of the present invention is a furniture structure of this type offering great flexibility of use by making, in particular, the external appearance of the furniture structure, conferred by the sheathing elements, relatively independent of the proper structure of the structural elements, tractors or carriers, providing the supporting framework for a piece of furniture.

Pour ce faire, selon une caractéristique de la présente invention, on prévoit une structure de mobilier à assemblage anti-bruit comprenant au moins un premier élément structurel de forme allongée et un second élément de gainage sensiblement de même longueur que le premier élément et entourant ce dernier, caractérisé en ce que le second élément est réalisé en un matériau rigide ou au moins semi-rigide et en ce que le premier élément comporte une série d'arêtes longitudinales entre lesquelles espace est réalisé entre les premier et second éléments. le profil circonscrit aux arêtes étant égal ou légèrement inférieur au profil interne du second élément afin de réaliser un jeu formant coussin d'amortissement sur la majeure partie de la périphérie du premier élément entre celle-ci et le profil interne du second élément.To do this, according to a characteristic of the present invention, there is provided a furniture structure with anti-noise assembly comprising at least a first structural element of elongated shape and a second sheathing element substantially of the same length as the first element and surrounding this last, characterized in that the second element is made of a rigid or at least semi-rigid material and in that the first element comprises a series of longitudinal edges between which space is formed between the first and second elements. the profile circumscribed at the edges being equal to or slightly less than the internal profile of the second element in order to produce a clearance forming a cushioning cushion over the major part of the periphery of the first element between the latter and the internal profile of the second element.

Des modes de réalisation sont décrits en relation avec les dessins annexés parmi lesquels.:

  • La figure 1 représente un mode de réalisation d'une structure de mobilier utilisant les éléments de mobilier selon la présent invention;
  • La figure 2 est une coupe transversale suivant le plan A-A du barreau de la figure 1 ;
  • La figure 3 est une vue en coupe transversale d'un autre mode de réalisation d'un tel barreau.
Embodiments are described in relation to the accompanying drawings, among which:
  • Figure 1 shows an embodiment of a furniture structure using the furniture elements according to the present invention;
  • Figure 2 is a cross section along the plane AA of the bar of Figure 1;
  • Figure 3 is a cross-sectional view of another embodiment of such a bar.

On a représenté schématiquement sur la figure 1, une structure de mobilier du type échelle pouvant également constituer une partie du piètement d'une chaise, et comprenant un barreau 1 reliant deux montants 2 et 3. Sur la figure 1, le montant de droite 2 est du type connu avec une âme lisse 4, revêtue d'une gaine en matière plastique 5, par exemple, thermorétractable.There is shown schematically in Figure 1, a ladder type furniture structure that can also constitute part of the base of a chair, and comprising a bar 1 connecting two uprights 2 and 3. In Figure 1, the right upright 2 is of the known type with a smooth core 4, coated with a plastic sheath 5, for example, heat shrinkable.

Le barreau 1 selon la présente invention, également représenté sur la figure 2, comprend un premier élément structurel où âme 6, de forme cylindrique, avantageusement en bois et formé, sur sa périphérie, avec des rainures 7, obtenues par exemple par des mors lors de la conformation de e'âme 6. Le cercle circonsoit aux nervures ou arêtes 8 saillant entre les rainures 7 correspond en valeur légèrement inférieure au diametre interne de la gaine rigide ou semi-rigide 9, réalisée par exemple en acrylonitrile-butadiène-styrène ou en polyéthylène à haute densité, emmanchée sur le premier élément 6. On conçoit que, avec cet agencement, les zones de contact entre l'âme 6 et la gaine 9 se réduisent aux minces génératrices des nervures 8, de sorte que, un choc étant appliqué sur le barreau 1, seule une très faible partie de l'onde de pression est transmise à l'âme massive 6, en réalisant ainsi un effet d'idiophone réduit d'au - moins 20 dB par rapport à celui qui est réalisé par le montant conventionnel 2. En effet, cet agencement ménage, entre la surface périphérique de l'âme 6 et la paroi interne de la gaine 9, un coussin d'air, plus particulièrement visible sur la figure 1, constitué par l'ensemble des rainures 7, et occupant la majeure partie de l'interface entre l'âme 6 et la gaine 9.The bar 1 according to the present invention, also shown in FIG. 2, comprises a first structural element where core 6, of cylindrical shape, advantageously of wood and formed, on its periphery, with grooves 7, obtained for example by jaws during of the conformation of the core 6. The circle circumscribing the ribs or ridges 8 projecting between the grooves 7 corresponds in value slightly less than the internal diameter of the rigid or semi-rigid sheath 9, made for example of acrylonitrile-butadiene-styrene or high density polyethylene, fitted on the first element 6. It is understood that, with this arrangement, the contact areas between the core 6 and the sheath 9 are reduced to the thin generators of the ribs 8, so that, a shock being applied to the bar 1, only a very small part of the pressure wave is transmitted to the solid core 6, thereby achieving an idiophone effect reduced by - at least 20 dB compared to that which is achieved by the agreed amount tional 2. Indeed, this arrangement provides, between the peripheral surface of the core 6 and the internal wall of the sheath 9, an air cushion, more particularly visible in FIG. 1, constituted by all of the grooves 7 , and occupying most of the interface between the core 6 and the sheath 9.

Sur la montage de la figure 1, le barreau 1 est logé par ses extrémités dans des évidements étagés des montants 2 et 3, ces évidements étagés comprenant un alésage central plus profond 10, pour recevoir l'extrémité de l'âme 6, et un alésage coaxial moins profond 11 pour recevoir l'extrémité de la gaine 9, la gaine 5 du montant présentant bien sûr une découpe analogue à l'alésage moins profond 11. Le même type de montage est adopté sur le montant gauche 3 de la figure 1, réalisé toutefois conformément à la présente invention, avec une âme 4' cylindrique lisse de diamètre externe inférieur au diamètre interne de la gaine 5' en matière plastique rigide, le positionnement relatif de cex deux éléments étant assuré, pour maintenir entre eux, sur la quasi-totalité de l'interface, un coussin d'air en forme de couronne cylindrique 12, soit par un embout en forme de capuchon 13 présentant des évidements étagés 10' et 11' à la manière des évidements du barreau 1, soit, en bout, en prévoyant une extrémité de diamètre élargi cannelée ou rainurée 1,4, de l'âme 4', dans un mode de réalisation analogue à celui représenté sur la figure 2. Il va sans dire, que le montant 3 peut comporter également une âme 4' entièrement rainurée à la façon du barreau 1, le capuchon d'embout 13 étant alors réalisé simplement sous la forme d'une coiffe de protection.In the assembly of FIG. 1, the bar 1 is housed at its ends in stepped recesses in the uprights 2 and 3, these stepped recesses comprising a deeper central bore 10, to receive the end of the core 6, and a shallower coaxial bore 11 to receive the end of the sheath 9, the sheath 5 of the upright of course having a cut similar to the shallower bore 11. The same type of mounting is adopted on the left upright 3 of FIG. 1, however produced in accordance with the present invention, with a smooth cylindrical core 4 ′ with an external diameter less than the internal diameter of the sheath 5 '' made of rigid plastic, the relative positioning of these two elements being ensured, to maintain between them, over almost the entire interface, an air cushion in the form of a cylindrical crown 12, either by a nozzle in the form of cap 13 having stepped recesses 10 'and 11' in the manner of the recesses of the bar 1, either, at the end, by providing an end of enlarged diameter grooved or grooved 1.4, of the core 4 ', in a mode of realization similar to that represented s ur in Figure 2. It goes without saying, that the amount 3 may also include a core 4 'fully grooved in the manner of the bar 1, the end cap 13 then being produced simply in the form of a protective cap.

Dans le mode de réalisation du montant gauche 3, l'âme 4' a une section homothétique de la gaine cylindrique 5' mais, comme représenté sur la figure 3, l'âme 40 peut avoir une section polygonale, inscriptible dans le cercle du diamètre interne de la gaine 12, de façon à ne porter, en étant ainsi centrée contre cette dernière que par les arêtes 15 du polygone, en ménageant entre ses arêtes des coussins d'air 16, occupant plus de 95% de l'interface entre l'élément structurel et sa gaine.In the embodiment of the left upright 3, the core 4 ′ has a homothetic section of the cylindrical sheath 5 ′ but, as shown in FIG. 3, the core 40 can have a polygonal section, inscribable in the circle of the diameter internal of the sheath 12, so as to bear, thus being centered against the latter only by the edges 15 of the polygon, by providing between its edges air cushions 16, occupying more than 95% of the interface between the structural element and its sheath.

Le mode de réalisation avec une âme nervurée représenté sur les figures 1 et 2 présente en outre un avantage marquant en ce qui concerne la solidarisation entre le barreau 1 et les montants 2 et 3 dans la mesure où les rainures 7 permettent un refoulement et une bonne répartition de la colle disposée dans le fond de l'alésage 10 préalablement à l'emmanchement du barreau dans le montant.The embodiment with a ribbed core shown in Figures 1 and 2 also has a significant advantage with regard to the connection between the bar 1 and the uprights 2 and 3 insofar as the grooves 7 allow a backflow and good distribution of the adhesive disposed in the bottom of the bore 10 prior to the fitting of the bar into the upright.

Quoique la présente invention ait été décrite en relation avec des modes de réalisation particuliers, elle ne s'en trouve pas limitée mais est au contraire susceptible de modifications et de variantes qui apparaîtront à l'homme de l'art. En particulier, suivant les cas d'espèce, les espacements ou jeux entre l'âme et la gaine peuvent être, au moins localement, remplis d'une matière de bourrage divisée ou multicellulaire augmentant les qualités d'amortissement phonique et également la tenue mécanique de la pièce de mobilier.Although the present invention has been described in relation to particular embodiments, it is not limited thereto but is on the contrary subject to modifications and variants which will appear to those skilled in the art. In particular, depending on the specific case, the spacings or clearances between the core and the sheath can be, at least locally, filled with a divided or multicellular stuffing material increasing the sound absorption qualities and also the mechanical strength of the piece of furniture.

Claims (10)

1. A sound-proof assembly furniture structure, including at least a first elongated structural member (6) and a second sheathing member coextensive with the first member and surrounding it, wherein said second member (9) is made out of stiff or at least semi-stiff material, and said first member (6) comprises a succession of longitudinal ribs (8) between which a space is formed between first and second members, the contour circumscribing said ribs being equal or substantially lower than the internal contour of said second member (9) with a view to obtaining a play acting as a dampering cushion on the major part of said first member periphery between said ribs and said internal second member contour.
2. A furniture structure as set forth in claim 1, wherein relative positioning of both members is obtained by connecting means (4, 13) which at least locally connect both members.
3. A furniture structure as set forth in claim 1 or in claim 2, wherein said first member (6) comprises longitudinal grooves.
4. A furniture structure as set forth in claim 2 or in claim 3, wherein said connecting means are protecting caps (13).
5. A furniture structure as set forth in claim 2 or in claim 3, wherein said connecting means is itself another structural member (4, 4') angularly extending with reference to said first structural member (6).
6. A furniture structure as set forth in claim 5, wherein said another structural member (4, 4') is covered with a sheathing member (5, 5'), which includes a cut-out portion for receiving sheathing member (9) of said first structural member (6).
7. A furniture structure as set forth in any preceding claim, wherein said sheathing members are cylindrically shaped.
8. A furniture structure as set forth in any preceding claim, wherein said sheathing members include stiff plastic material.
9. A furniture structure as set forth in any preceding claim, wherein said structural members include wood.
10. A piece of furniture, including a furniture structure as set forth in any preceding claim:
EP80401495A 1979-11-07 1980-10-21 Anti-noise assembly of a piece of furniture Expired EP0028952B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7927502 1979-11-07
FR7927502A FR2469150A1 (en) 1979-11-07 1979-11-07 FURNITURE STRUCTURE WITH ANTI-NOISE ASSEMBLY

Publications (2)

Publication Number Publication Date
EP0028952A1 EP0028952A1 (en) 1981-05-20
EP0028952B1 true EP0028952B1 (en) 1984-07-18

Family

ID=9231404

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80401495A Expired EP0028952B1 (en) 1979-11-07 1980-10-21 Anti-noise assembly of a piece of furniture

Country Status (5)

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US (1) US4345666A (en)
EP (1) EP0028952B1 (en)
DE (1) DE3068617D1 (en)
ES (1) ES254160Y (en)
FR (1) FR2469150A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793020A (en) * 1987-05-18 1988-12-27 The Anderson Company Of Indiana Noise insulator for windshield wiper blade assembly
US6969113B2 (en) * 2003-06-03 2005-11-29 Dennis Michael Krawchuk Folding chair with metal inserts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2119434A (en) * 1937-04-05 1938-05-31 Henken Bartholdi Bumper
DE1554454A1 (en) * 1965-09-02 1970-01-22 Anton Schiel Plastikfabricatio Cladding of profiles of all kinds, especially for everyday objects such as steel furniture, strollers and the like.
DE1529619A1 (en) * 1966-11-10 1970-11-05 Helmuth Bauer Wrapping made of elastic material for rod-like elements, especially for a handrail of baby playpen
SE390188C (en) * 1973-12-03 1979-09-20 Sandvik Ab DRILLING ROD FOR STRIKING MOUNTAIN DRILLING
US3970401A (en) * 1974-05-28 1976-07-20 Donald Lubeck Tubular structures
DE2750122A1 (en) * 1977-11-09 1979-05-10 Erich Munz BODY SOUND INSULATION STRIP

Also Published As

Publication number Publication date
US4345666A (en) 1982-08-24
FR2469150A1 (en) 1981-05-22
DE3068617D1 (en) 1984-08-23
EP0028952A1 (en) 1981-05-20
ES254160Y (en) 1981-10-01
ES254160U (en) 1981-03-16
FR2469150B1 (en) 1983-05-13

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