PL71858Y1 - Semi-finished product for the production of door sills - Google Patents

Semi-finished product for the production of door sills Download PDF

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Publication number
PL71858Y1
PL71858Y1 PL128179U PL12817919U PL71858Y1 PL 71858 Y1 PL71858 Y1 PL 71858Y1 PL 128179 U PL128179 U PL 128179U PL 12817919 U PL12817919 U PL 12817919U PL 71858 Y1 PL71858 Y1 PL 71858Y1
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PL
Poland
Prior art keywords
board
thickness
mdf
hdf
semi
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Application number
PL128179U
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Polish (pl)
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PL128179U1 (en
Inventor
Tomasz Wróbel
Original Assignee
Wrobel Tomasz Stolarstwo
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Priority to PL128179U priority Critical patent/PL71858Y1/en
Publication of PL128179U1 publication Critical patent/PL128179U1/en
Publication of PL71858Y1 publication Critical patent/PL71858Y1/en

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Description

PL 71 858 Y1 2 Opis wzoru Przedmiotem wzoru uzytkowego jest pólfabrykat do produkcji ramiaków drzwiowych, zwlaszcza oklejanych folia dekoracyjna. Znane i powszechnie stosowane sa ramiaki drzwiowe wykonane z drewna lub drewnopochodnych plyt MDF lub plyt HDF. Zasadniczym mankamentem stolarki drzwiowej wykonanej z drewna litego jest koniecznosc za- stosowania drewna o wysokiej jakosci. Stanowi ono warstwe licowa stolarki ze wzgledu na walory este- tyczne, co z kolei powoduje wysoka cene produktu. Z kolei drzwi wykonane z drewna o niskiej jakosci praktycznie nie nadaja sie do oklejania foliami dekoracyjnymi. Produkcja drzwi z materialów drewnopochodnych wydawalaby sie dobra alternatywa do samego drewna ale i ona ma swoje wady. Co prawda plyta MDF lub plyta HDF jest materialem, który dosc latwo mozna obrabiac i wykanczac jego powierzchnie poprzez oklejanie foliami dekoracyjnymi ale same skrzydla drzwiowe sa ciezkie oraz malo odporne na odksztalcenia i uszkodzenia mechaniczne. Wytrzy- malosc mechaniczna drzwi wykonanych z plyty MDF lub plyt HDF jest bardzo niska, latwo je wylamac, a zawiasy osadzone w ramiaku drzwi sa podatne na wyrywanie. Ciezar drzwi wykonanych z takich materialów uniemozliwia niejednokrotnie zgodne z przepisami bhp, ich przenoszenie przez jedna osobe. Pólfabrykat do produkcji ramiaków drzwiowych, wedlug wzoru, stanowi krawedziak skladajacy sie z rdzenia wykonanego z drewna, o ksztalcie prostokata w przekroju poprzecznym, o grubosci nie mniej- szej niz 20 mm, oklejonego z czterech stron plytami MDF i/lub plytami HDF, przy czym od strony dluz- szych boków prostokata stanowiacego przekrój poprzeczny prefabrykatu, plyta MDF i/lub HDF ma gru- bosc mniejsza lub równa od grubosci plyty MDF i lub plyty HDF doklejonej do rdzenia od strony krót- szych boków prostokata stanowiacego przekrój poprzeczny pólfabrykatu ramiaka drzwiowego. Ko- rzystny stosunek grubosci plyty MDF/HDF o mniejszej grubosci a do plyty MDF/HDF o grubosci wiek- szej b miesci sie w zakresie a : b = 1 : 1 do 1 : 7. Pólfabrykat o takiej konstrukcji umozliwia wykorzystanie drewna niskiej jakosci, takze klejonego, na który w bezproblemowy sposób mozna nakleic folie dekoracyjna, a ponadto posiada znacznie wyz- sze, w porównaniu do analogicznych wyrobów wykonanych z klejonych plyt MDF i HDF parametry wy- trzymalosciowe. Przedmiot wzoru uzytkowego uwidoczniony jest na rysunku, który przedstawia przekrój po- przeczny pólfabrykatu. Pólfabrykat do produkcji ramiaków drzwiowych sklada sie z rdzenia 1 wykonanego z drewna sosno- wego, o ksztalcie, w przekroju poprzecznym, prostokata, o grubosci 30 mm, do którego dluzszych boków jest przyklejona klejem POW plyta MDF, a do jego krótszych boków przyklejona jest plyta HDF przy czym od strony dluzszych boków prostokata stanowiacego przekrój poprzeczny prefabrykatu, plyta HDF 2 ma grubosc a pieciokrotnie mniejsza niz grubosc b plyty MDF 2’ doklejonej do rdzenia 1 od strony krótszych boków prostokata stanowiacego przekrój poprzeczny pólfabrykatu ramiaka. Badania wytrzymalosciowe po- równawcze przeprowadzone na gotowych, oklejonych folia dekoracyjna ramiakach o analogicznych wymia- rach zewnetrznych wykonanych z klejonych plyt MDF i plyt HDF oraz wykonanych z drewna oklejonego plytami MDF i plytami HDF wykazaly nastepujace wyniki srednie z 6 pomiarów: PL PL PL PL PL PL PL 71 858 Y1 2 Description of the design The subject of the utility model is a semi-finished product for the production of door frames, especially those covered with decorative foil. Door rails made of wood or wood-based MDF boards or HDF boards are well-known and commonly used. The main drawback of the door joinery made of solid wood is the necessity to use high quality wood. It constitutes the facing layer of the woodwork due to its aesthetic value, which in turn results in a high price of the product. On the other hand, doors made of low-quality wood are practically not suitable for covering with decorative foils. The production of doors from wood-based materials would seem like a good alternative to wood itself, but it also has its drawbacks. It is true that MDF board or HDF board is a material that can be easily processed and finished by covering with decorative foil, but the door leaves themselves are heavy and not resistant to deformation and mechanical damage. The mechanical strength of doors made of MDF or HDF boards is very low, they are easy to break, and the hinges embedded in the door frame are prone to tearing out. The weight of doors made of such materials often prevents them from being carried by one person, in accordance with health and safety regulations. The semi-finished product for the production of door frames, according to the pattern, is an edging consisting of a core made of wood, rectangular in cross-section, with a thickness of not less than 20 mm, veneered on four sides with MDF and / or HDF boards, where on the side of the long sides of the rectangle constituting the cross-section of the prefabricated element, the MDF and / or HDF board has a thickness less than or equal to the thickness of the MDF board and or the HDF board glued to the core on the side of the short sides of the rectangle constituting the cross-section of the door frame blank. The favorable ratio of the thickness of the MDF / HDF board with a lower thickness to the MDF / HDF board with a thickness greater than b is in the range a: b = 1: 1 to 1: 7. A semi-finished product with such a structure allows the use of low-quality wood, also glued, on which you can easily stick decorative foil, and moreover, it has much higher strength parameters than similar products made of glued MDF and HDF boards. The subject of the utility model is shown in the drawing, which shows the cross-section of the blank. The semi-finished product for the production of door frames consists of a core 1 made of pine wood, rectangular in cross-section, 30 mm thick, to which the longer sides are glued with a POW glue, an MDF board, and a board is glued to its shorter sides HDF, while on the side of the longer sides of the rectangle constituting the cross-section of the prefabricated element, the HDF board 2 has a thickness 5 times smaller than the thickness b of the MDF board 2 'glued to the core 1 on the side of the shorter sides of the rectangle constituting the cross-section of the stile blank. Comparative strength tests carried out on ready-made, covered with decorative foil rails with similar external dimensions, made of glued MDF boards and HDF boards, and made of wood covered with MDF boards and HDF boards, showed the following average results from 6 measurements: PL PL PL PL PL PL

Claims (2)

1. Zastrzezenia ochronne 1. Pólfabrykat do produkcji ramiaków drzwiowych, znamienny tym, ze sklada sie z rdzenia (1) wykonanego z drewna, o ksztalcie prostokata w przekroju poprzecznym, o grubosci nie mniej- szej niz 20 mm oklejonego z czterech stron plytami drewnopochodnymi HDF i/lub MDF, przy czym od strony dluzszych boków prostokata stanowiacego przekrój poprzeczny prefabrykatu, plyta HDF i/lub plyta MDF (2) ma grubosc mniejsza od grubosci plyty MDF i/lub plyty HDF (2’) doklejonej do rdzenia od strony krótszych boków prostokata stanowiacego przekrój po- przeczny pólfabrykatu ramiaka drzwiowego. 1. Protective claims 1. Semi-finished product for the production of door frames, characterized by the fact that it consists of a core (1) made of wood, rectangular in cross-section, with a thickness of not less than 20 mm, veneered on four sides with HDF wood-based boards and / or MDF, where on the long sides of the rectangle constituting the cross-section of the prefabricated element, the HDF board and / or MDF board (2) has a thickness smaller than the thickness of the MDF board and / or HDF board (2 ') glued to the core on the shorter sides a rectangle constituting the cross-section of a door sill blank. 2. Pólfabrykat, wedlug zastrz. 1 znamienny tym, ze stosunek grubosci plyty MDF i/lub plyty HDF (2) o mniejszej grubosci a do plyty MDF (2’) o grubosci wiekszej b miesci sie w zakresie: a : b = 1 : 1 do 1 : 7. Rysunek PL PL PL PL PL PL2. Semi-finished product, according to claim 1, characterized in that the ratio of the thickness of the MDF board and / or the HDF board (2) of the lower thickness to the MDF board (2 ') of the greater thickness b is in the range: a: b = 1: 1 to 1: 7. PL PL PL PL PL PL
PL128179U 2019-04-05 2019-04-05 Semi-finished product for the production of door sills PL71858Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL128179U PL71858Y1 (en) 2019-04-05 2019-04-05 Semi-finished product for the production of door sills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL128179U PL71858Y1 (en) 2019-04-05 2019-04-05 Semi-finished product for the production of door sills

Publications (2)

Publication Number Publication Date
PL128179U1 PL128179U1 (en) 2020-10-19
PL71858Y1 true PL71858Y1 (en) 2021-04-06

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PL128179U PL71858Y1 (en) 2019-04-05 2019-04-05 Semi-finished product for the production of door sills

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