PL33477B1 - Manufacturing method of fittings for heating elements - Google Patents

Manufacturing method of fittings for heating elements Download PDF

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Publication number
PL33477B1
PL33477B1 PL33477A PL3347747A PL33477B1 PL 33477 B1 PL33477 B1 PL 33477B1 PL 33477 A PL33477 A PL 33477A PL 3347747 A PL3347747 A PL 3347747A PL 33477 B1 PL33477 B1 PL 33477B1
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PL
Poland
Prior art keywords
key
heating elements
allowance
protrusions
fittings
Prior art date
Application number
PL33477A
Other languages
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL33477B1 publication Critical patent/PL33477B1/en

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Description

Produkcja zlaczek, które znajdowaly sie na rynku kraijowym przed wojna swiato¬ wa w roku 1939, polegala na przygotowa¬ niu rur spawanych sposobem zgrzewnym.Rury wykonywano wówczas z wsteg walcowanych z dwoma zebrami, Ten spo¬ sób wyrobu zlaczek wymagal kosztow¬ nych urzadzen do walcowania wsteg, spec¬ jalnego urzadzenia do spawania rur spo¬ sobem zgrzewnym, i rur spawanych wy¬ konanych z materialu o bardzo malej za¬ wartosci krzemu, celem uzyskania dobre¬ go zgrzewania, Wada stosowania takiego materialu by¬ lo to, ze przy gwintowaniu zlaczek naste¬ powalo1 zrywanie gwintów. Powstawal wskutek tego duzy odsetek braku. Zdarza¬ ly sie równiez wypadki pekania zlaczek na szwie, co powodowalo niszczenie bardzo kosztownych kompletów narzynek. Do¬ starczenie nowych w miejsce zniszczonych narzynek opóznialo lub utrudnialo pro¬ dukcje.Z powodu calkowitego zniszczenia wsku¬ tek wojny urzadzen wymienionych powy¬ zej nie mozna obecnie powrócic do wzno¬ wienia produkcji wyzej wymienionym spo¬ sobem.Zwiekszajace sie obecnie zapotrzebowa¬ nie na zlaczki do elementów ogrzewni¬ czych spowodowalo szukanie nowego spo¬ sobu wyrobu takich zlaczek.Istote wynalazku stanowi wlasnie nowy prostszy i tanszy sposób wyrobu takich zlaczek do elementów ogrzewniczych, któ¬ ry usuwa wszystkie wspomniane poprzed-Na fig. 1 uwidoczniony jest przekrój zlaczki przez wystepy na klucz, tj. wzdluz linii A—B na fig. 2, natomiast fig. 2 przed¬ stawia zlaczke te widziana z góry. PLThe production of couplings, which were on the domestic market before the 1939 World War, consisted in the preparation of pipes welded by means of a welding method. The pipes were then made of rolled ribbons with two ribs. This method of producing couplings required expensive equipment for rolling of ribbons, a special apparatus for welding pipes with a welding method, and welded pipes made of a material with a very low silicon content in order to obtain good welding. The disadvantage of using such a material was that when threading the connection resulted in the thread breaking. As a result, a large percentage of the shortage was created. There were also cases of cracks at the seam, which resulted in the destruction of very expensive die sets. The supply of new ones in place of the damaged dies delayed or hindered the production. Due to the total destruction of the equipment mentioned above due to the war, it is not possible to resume production by the above-mentioned method. connectors for heating elements have resulted in the search for a new method of producing such connectors. The present invention is a new, simpler and cheaper method of producing such connectors for heating elements, which removes all the above-mentioned ones. keyed, ie, along the line A-B in FIG. 2, while FIG. 2 shows the coupling viewed from above. PL

Claims (1)

1. Zastrzezenie patentowe Spoisób wyrobu zlaczek do elementów ogrzewniczych, znamienny tym, ze wyra¬ bia sie je ze zwyklych rur gazowych bez szwu lub spawanych, a wystepy dla klucza sa wytlaczane na zimno z naddatku ma¬ terialu, przewidzianego do tego celu, przy uzyciu specjalnego iasonowego wykrojni- ka, po czym nastepuje staczanie naddatku pozostalego po wytloczeniu wystepów dla klucza i wreszcie gwintowanie. Inz. Nowosielski Franciszek Zastepca inz. W. Suchowiak rzecznik patentowy Fla 2 Druk PWZG Warszawa. Tamka 3. 150 Zam. 1916 B-69671 nio trudnosci, gdyz do wyrobu zlaczek u- zywa sie zwyklych rur gazowych bez szwu lub elektrycznie spawanych, przy czym wystepy dla klucza, oznaczone na zalaczo¬ nym rysunku litera a, uzyskuje sie przez wytlaczanie przy zastosowamiu sposobu wedlug wynalazku. Przebieg produkcji zlaczek do elemen¬ tów ogrzewniczych jest nastepujacy: ciecie rur z uwzglednieniem naddatku potrzebne¬ go dla uzyskania wystepów dla klucza, nastepnie wytlaczanie wystepów dla klu¬ cza specjalnym fasonowym wykrojnikiem, potem staczanie naddatku pozostalego po wytloczeniu wystepów . dla klucza, i wreszcie gwintowanie. Zalaczony rysunek przedstawia zlaczke do elementów ogrzewniczych, wykonana w sposób wedlug wynalazku- PL1. Patent claim A method of manufacturing fittings for heating elements, characterized in that they are made of ordinary seamless or welded gas pipes, and the lugs for the key are cold-extruded from the material allowance provided for this purpose, using of a special iasonal punch, followed by rolling of the allowance remaining after the extruding of the projections for the key and finally threading. Inz. Nowosielski Franciszek Zastepca engineer W. Suchowiak patent attorney Fla 2 Druk PWZG Warszawa. Tamka 3. 150 Zam. 1916 B-69671 no difficulty, since ordinary seamless or electrically welded gas pipes are used for the production of fittings, the key lugs marked with the letter a in the attached drawing are obtained by extrusion using the method according to the invention. The production process of couplings for heating elements is as follows: cutting the pipes taking into account the allowance needed to obtain the protrusions for the key, then pressing the protrusions for the key with a special die-cut, then rolling off the excess allowance after extrusion of the protrusions. for the wrench, and finally threading. The attached drawing shows a joint for heating elements made according to the invention-PL
PL33477A 1947-10-20 Manufacturing method of fittings for heating elements PL33477B1 (en)

Publications (1)

Publication Number Publication Date
PL33477B1 true PL33477B1 (en) 1948-08-31

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