CH633063A5 - PROCEDURE FOR CREATING STRIPES INTENDED TO JOIN LATERALLY WITH INTERSPACES FOR EXPANSION AND STRIP MADE WITH THE PROCEDURE. - Google Patents

PROCEDURE FOR CREATING STRIPES INTENDED TO JOIN LATERALLY WITH INTERSPACES FOR EXPANSION AND STRIP MADE WITH THE PROCEDURE. Download PDF

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Publication number
CH633063A5
CH633063A5 CH381979A CH381979A CH633063A5 CH 633063 A5 CH633063 A5 CH 633063A5 CH 381979 A CH381979 A CH 381979A CH 381979 A CH381979 A CH 381979A CH 633063 A5 CH633063 A5 CH 633063A5
Authority
CH
Switzerland
Prior art keywords
protrusions
strips
groove
strip
rib
Prior art date
Application number
CH381979A
Other languages
Italian (it)
Inventor
Giovanni Boschetti
Original Assignee
Giovanni Boschetti
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 Giovanni Boschetti filed Critical Giovanni Boschetti
Priority to CH381979A priority Critical patent/CH633063A5/en
Priority to DE8080810131T priority patent/DE3061198D1/en
Priority to EP80810131A priority patent/EP0018329B1/en
Priority to AT80810131T priority patent/ATE1915T1/en
Priority to CA350,398A priority patent/CA1131873A/en
Publication of CH633063A5 publication Critical patent/CH633063A5/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/10Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of wood or with an outer layer of wood

Abstract

Tongue and groove boards (1) are provided with integral spacers (4) that permit expansion of the assembled boards without buckling, by milling on the bottom of the groove (2) a central longitudinally extending rib (4) of triangular cross section. Spaced portions of the rib (4), of total length that is most of the length of the board, are then compressed to the level of the bottom of the groove, thereby leaving a series of relatively weak projections (4 min , 4 sec , 4''') which serve to space the boards apart the necessary distance during assembly, but which are not strong enough to resist compression upon expansion of the boards under the influence of moisture or temperature.

Description

633063 633063

2 2

Claims (5)

RIVENDICAZIONI 1. Procedimento per realizzare listelli, aventi una scanalatura ed una sporgenza sui lati opposti, destinati ad incastrarsi lateralmente in modo da formare interspazi (d) per le dilatazioni nelle pareti e soffitti, caratterizzato da ciò che nel fondo (2') della scanalatura (2) o nella sommità (3') della sporgenza (3) di ciascun listello, si realizzano delle sporgenze (4', 4", 4'" ecc.) di bassa resistenza meccanica alla compressione, sporgenze che durante la posa mantengono distanziati i listelli adiacenti ad una distanza reciproca (d), mentre durante la dilatazione dei listelli stessi, esse si comprimono, evitando la deformazione di detti listelli.1. Process for making strips, having a groove and a protrusion on the opposite sides, intended to fit laterally so as to form interspaces (d) for expansion in the walls and ceilings, characterized by what in the bottom (2') of the groove ( 2) or at the top (3') of the protrusion (3) of each strip, protrusions (4', 4", 4'" etc.) of low mechanical resistance to compression are made, protrusions which keep the adjacent strips at a reciprocal distance (d), while during the expansion of the strips themselves, they are compressed, avoiding the deformation of said strips. 2. Procedimento secondo la rivendicazione 1, caratterizzato da ciò che dette sporgenze (4', 4", 4"' ecc.) sono ottenute realizzando dapprima una nervatura (4) continua di sezione triangolare e successivamente comprimendo ad intervalli detta nervatura per ottenere le sporgenze (4', 4", 4"') interspaziale.2. Process according to claim 1, characterized in that said protrusions (4', 4", 4"' etc.) are obtained by first forming a continuous rib (4) with a triangular section and subsequently by compressing said rib at intervals to obtain the protrusions (4', 4", 4"') interspatial. 3. Procedimento secondo le rivendicazioni 1 e 2, caratterizzato da ciò che dette sporgenze (4', 4", 4"') interspaziate vengono realizzate da detta nervatura continua coll'ausilio di un disco (5) provvisto di incavi periferici (6, 6', 6"), la cui periferia (5', 5", 5"') comprime la nervatura continua per ottenere le parti (8', 8") abbassate.3. Process according to claims 1 and 2, characterized in that said interspaced protrusions (4', 4", 4"') are formed by said continuous rib with the aid of a disk (5) provided with peripheral recesses (6, 6', 6"), the periphery of which (5', 5", 5"') compresses the continuous rib to obtain the lowered parts (8', 8"). 4. Listello realizzato col procedimento secondo le rivendicazioni da 1 a 3, caratterizzato da sporgenze (4', 4", 4"') di bassa resistenza meccanica alla compressione, sporgenze realizzate nel fondo della scanalatura, rispettivamente alla sommità della sporgenza costituente l'incastro ed atta a mantenere distanziati i listelli adiacenti (1, 1') alla giusta distanza reciproca (d) e a permettere la compressione di dette sporgenze (4', 4", 4"' ecc.) durante la dilatazione dei listelli.4. Strip made with the process according to claims from 1 to 3, characterized by protrusions (4', 4", 4"') of low mechanical resistance to compression, protrusions made in the bottom of the groove, respectively at the top of the protrusion constituting the interlocking and able to keep the adjacent strips (1, 1') spaced at the correct reciprocal distance (d) and to allow the compression of said protrusions (4', 4", 4"' etc.) during the expansion of the strips. 5. Disco per realizzare il procedimento secondo le rivendicazioni 1 e 2, atto a realizzare le sporgenze interspaziate di sezione triangolare sul fondo della scanalatura (2) di ciascun listello, o alla sommità della sporgenza del listello stesso, caratterizzato da incavi periferici (6, 6', 6" ecc. fig. 4) interspaziali che delimitano parti sporgenti (5', 5", 5"' ecc.) destinate a comprimere le parti della nervatura che devono essere abbassate.5. Disc for carrying out the method according to claims 1 and 2, suitable for making the interspaced protrusions of triangular section on the bottom of the groove (2) of each strip, or at the top of the protrusion of the strip itself, characterized by peripheral recesses (6, 6', 6" etc. fig. 4) interspaces delimiting protruding parts (5', 5", 5"' etc.) intended to compress the parts of the rib which are to be lowered. E' noto che nella posa dei listelli in legno immaschiati, cioè incastrantisi lateralmente, si deve aver cura di lasciare un interspazio di circa 1-2 mm tra listello e listello adiacenti per consentire la dilatazione dovuta al rigonfiamento causato dall'umidità o all'innalzamento della temperatura, senza causare la loro distorsione.It is known that in the installation of unpicked wooden strips, i.e. interlocking laterally, care must be taken to leave an interspace of about 1-2 mm between adjacent strips and strips to allow for expansion due to swelling caused by humidity or rising temperature, without causing their distortion. Ciò obbliga colui che effettua la posa ad un lavoro supplementare di inserzione di distanziatori fra listello e listello per raggiungere lo scopo.This obliges the installer to carry out the additional work of inserting spacers between strips to achieve the purpose. Il procedimento secondo la presente invenzione elimina questo lavoro supplementare. Esso è caratterizzato da ciò che nel fondo della scanalatura o nella sommità della sporgenza di ciascun listello si realizzano delle sporgenze di bassa resistenza meccanica alla compressione, sporgenze che durante la posa mantengono distanziati i listelli adiacenti ad una distanza reciproca (d), mentre durante la dilatazione dei listelli stessi esse si comprimono, evitando la deformazione di detti listelli.The method according to the present invention eliminates this additional work. It is characterized in that at the bottom of the groove or at the top of the protrusion of each strip there are protrusions with low mechanical resistance to compression, protrusions which during installation keep the adjacent strips spaced at a mutual distance (d), while during expansion of the strips themselves they are compressed, avoiding the deformation of said strips. Formano pure oggetto della presente invenzione il listello ottenuto col procedimento ora accennato, caratterizzato da sporgenze di bassa resistenza meccanica alla compressione, sporgenze realizzate sul fondo della scanalatura, rispettivamente alla sommità della sporgenza costituente l'incastro ed atta a mantenere distanziati i listelli adiacenti alla giusta distanza reciproca (d) e a permettere la compressione di dette sporgenze durante la dilatazione dei listelli.Another object of the present invention is the strip obtained with the process just mentioned, characterized by protrusions of low mechanical resistance to compression, protrusions made on the bottom of the groove, respectively at the top of the protrusion constituting the joint and suitable for keeping the adjacent strips spaced apart reciprocal distance (d) and to allow the compression of said protrusions during the expansion of the strips. Secondo una preferita forma di realizzazione, dette sporgenze sono interspaziate e ricavate da una nervatura continua di sezione preferibilmente triangolare ricavata sul fondo della scanalatura laterale di ciascun listello.According to a preferred embodiment, said protrusions are interspaced and obtained from a continuous rib with a preferably triangular section obtained on the bottom of the lateral groove of each strip. Detta nervatura viene ottenuta modificando la normale fresa che serve a praticare la scanalatura laterale del listello, mentre le sporgenze sono ottenute per compressione di un disco provvisto di incavi periferici interspaziali, disco che comprime con la sua superficie periferica compresa fra incavo e incavo le parti della nervatura continua che devono essere abbassate.Said rib is obtained by modifying the normal cutter which serves to make the lateral groove of the strip, while the protrusions are obtained by compressing a disc provided with peripheral interspace grooves, a disc which compresses with its peripheral surface between groove and groove the parts of the continuous rib which must be lowered. A maggior chiarimento il disegno allegato rappresenta detta preferita forma di realizzazione.For further clarification, the enclosed drawing represents said preferred embodiment. La fig. 1 rappresenta in sezione trasversale un listello di tipo normale.fig. 1 shows in cross section a strip of normal type. La fig. 2 rappresenta la sezione trasversale di un listello modificato secondo la presente invenzione, nella scanalatura del quale è praticata la nervatura permettente di ottenere le sporgenze sopra specificate.fig. 2 shows the cross section of a strip modified according to the present invention, in the groove of which the rib is made which allows to obtain the protrusions specified above. La fig. 3 rappresenta la sezione longitudinale del listello di fig. 2 fatta secondo il piano passante per III-III.fig. 3 represents the longitudinal section of the strip of fig. 2 made according to the plan passing through III-III. La fig. 4 rappresenta in vista frontale parziale il disco che serve per ottenere le sporgenze.fig. 4 is a partial front view of the disc used to obtain the protrusions. La fig. 5 rappresenta in vista due listelli secondo la presente invenzione, accostati.fig. 5 is a view of two strips according to the present invention, side by side. Con riferimento alla fig. 1: la sezione trasversale di un listello di tipo noto, generalmente in legno di abete, denominato comunemente «perlina», è illustrata e indicata con 1, mentre con 2 è indicata la scanalatura situata su un lato del listello e con 3 la sporgenza complementare ricavata sull'altro lato del listello stesso.With reference to fig. 1: the cross section of a known type of strip, generally made of fir wood, commonly referred to as a «bead», is shown and indicated with 1, while 2 indicates the groove located on one side of the strip and 3 the complementary protrusion obtained on the other side of the strip itself. Secondo la presente invenzione (vedere fig. 2), la scanalatura laterale 2, ottenuta mediante una fresa viene approfondita in modo da ricavare sul fondo 2' della scanalatura stessa una nervatura continua 4, di sezione preferibilmente triangolare.According to the present invention (see fig. 2), the lateral groove 2, obtained by means of a milling cutter, is deepened so as to obtain on the bottom 2' of the groove itself a continuous rib 4, preferably with a triangular section. Questa nervatura 4 viene successivamente lavorata col disco 5 illustrato in fig. 4. Detto disco è provvisto di incavi 6, 6', 6" ecc. periferici e presenta fra di essi tratti 5', 5", 5"' continui, che servono a comprimere la nervatura continua 4 lungo i tratti 8', 8" (fig. 3) in modo da creare le sporgenze 4', 4", 4"' ecc.This rib 4 is subsequently machined with the disk 5 illustrated in fig. 4. Said disc is provided with peripheral grooves 6, 6', 6" etc. and has continuous sections 5', 5", 5"' between them, which serve to compress the continuous rib 4 along the sections 8', 8 " (fig. 3) so as to create the protrusions 4', 4", 4"' etc. Le sporgenze 4', 4", 4"' ecc. hanno evidentemente una debole resistenza meccanica alla compressione data la loro breve lunghezza e la loro sezione triangolare.The protrusions 4', 4", 4"' etc. they evidently have a low mechanical resistance to compression given their short length and their triangular section. La messa in opera dei listelli viene illustrata in fig. 5.The installation of the strips is illustrated in fig. 5. Accostando infatti due listelli lei' come quelli illustrati in fig. 2 e 3 in modo che la sporgenza 3 dell'uno penetri nella scanalatura 2 dell'altro e ciò sino a che l'estremità 3' della sporgenza venga a contatto con le punte 4', 4", 4"' ecc. dell'altro, automaticamente i dui listelli lei' risultano reciprocamente distanziati dall'interspazio 7, cioè della distanza «d» che consente la dilatazione dei listelli senza causare la loro deformazione e ciò senza richiedere distanziatori appositi durante la posa.In fact, by bringing together two strips she' like those illustrated in fig. 2 and 3 so that the projection 3 of one enters the groove 2 of the other and this until the end 3' of the projection comes into contact with the points 4', 4", 4"' etc. on the other hand, the two strips lei' are automatically mutually spaced by the interspace 7, ie by the distance "d" which allows the expansion of the strips without causing their deformation and this without requiring suitable spacers during installation. Quando infatti i due listelli si dilatano, per esempio si rigonfiano per effetto dell'umidità, le sporgenze 4', 4", 4'" ecc. si comprimono facilmente, data la loro scarsa resistenza meccanica alla compressione, e l'interspazio 7 si chiude.In fact, when the two strips expand, for example they swell due to the effect of humidity, the protrusions 4', 4", 4'" etc. they compress easily, given their low mechanical resistance to compression, and the gap 7 closes. Naturalmente gli stessi accorgimenti, oltre che per i listelli valgono anche per le tavole incastrate e montate in legno o in altro materiale.Naturally, the same precautions apply not only to the strips but also to the boards fitted and mounted in wood or other material. E' previsto che le sporgenze suddette possano essere realizzate anche sulla sporgenza 3 del listello e possano avere qualsiasi forma, senza uscire dall'ambito di protezione dell'invenzione.It is envisaged that the aforementioned protrusions can also be formed on the protrusion 3 of the strip and can have any shape, without departing from the scope of protection of the invention. 55 ioI 1515 2020 2525 3030 3535 4040 4545 5050 5555 6060 6565 Vv 1 foglio disegni1 drawing sheet
CH381979A 1979-04-23 1979-04-23 PROCEDURE FOR CREATING STRIPES INTENDED TO JOIN LATERALLY WITH INTERSPACES FOR EXPANSION AND STRIP MADE WITH THE PROCEDURE. CH633063A5 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH381979A CH633063A5 (en) 1979-04-23 1979-04-23 PROCEDURE FOR CREATING STRIPES INTENDED TO JOIN LATERALLY WITH INTERSPACES FOR EXPANSION AND STRIP MADE WITH THE PROCEDURE.
DE8080810131T DE3061198D1 (en) 1979-04-23 1980-04-18 Tongue and groove board with spacers permitting expansion
EP80810131A EP0018329B1 (en) 1979-04-23 1980-04-18 Tongue and groove board with spacers permitting expansion
AT80810131T ATE1915T1 (en) 1979-04-23 1980-04-18 BOARD WITH TONGUE AND GROOVES, FITTED WITH SPACING ELEMENTS ALLOWING DILATION.
CA350,398A CA1131873A (en) 1979-04-23 1980-04-22 Tongue and groove boards with spacers permitting expansion, and method of making the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH381979A CH633063A5 (en) 1979-04-23 1979-04-23 PROCEDURE FOR CREATING STRIPES INTENDED TO JOIN LATERALLY WITH INTERSPACES FOR EXPANSION AND STRIP MADE WITH THE PROCEDURE.

Publications (1)

Publication Number Publication Date
CH633063A5 true CH633063A5 (en) 1982-11-15

Family

ID=4264142

Family Applications (1)

Application Number Title Priority Date Filing Date
CH381979A CH633063A5 (en) 1979-04-23 1979-04-23 PROCEDURE FOR CREATING STRIPES INTENDED TO JOIN LATERALLY WITH INTERSPACES FOR EXPANSION AND STRIP MADE WITH THE PROCEDURE.

Country Status (5)

Country Link
EP (1) EP0018329B1 (en)
AT (1) ATE1915T1 (en)
CA (1) CA1131873A (en)
CH (1) CH633063A5 (en)
DE (1) DE3061198D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453352A (en) * 1982-08-18 1984-06-12 Kaiser Aluminum & Chemical Corporation Refractory brick with expansion allowance
DE3329640A1 (en) * 1983-08-17 1985-02-28 Kipptorbau Pfullendorf Gebhard Hügle GmbH & Co KG, 7798 Pfullendorf WOOD FORMWORK FROM PROFILE BOARDS
NL1023678C2 (en) * 2003-06-17 2004-12-20 E Van Zanten Holding B V Plant base.
DK2644478T3 (en) 2012-03-27 2018-08-13 Upm Plywood Oy PLYWOOD PANEL

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2110729A (en) * 1933-01-03 1938-03-08 Certain Teed Prod Corp Construction material
US3987599A (en) * 1975-06-30 1976-10-26 Potlatch Corporation Wood paneling
FR2425306A1 (en) * 1978-05-08 1979-12-07 Pasquet Roger Tongue and groove joint for wainscoting - includes triangular rib inside groove to be broken by tongue when panels swell and prevent warping

Also Published As

Publication number Publication date
ATE1915T1 (en) 1982-12-15
CA1131873A (en) 1982-09-21
EP0018329B1 (en) 1982-12-01
DE3061198D1 (en) 1983-01-05
EP0018329A1 (en) 1980-10-29

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