DE734154C - Process for the manufacture of shaft boots from rubber and cut fabric - Google Patents

Process for the manufacture of shaft boots from rubber and cut fabric

Info

Publication number
DE734154C
DE734154C DER99677D DER0099677D DE734154C DE 734154 C DE734154 C DE 734154C DE R99677 D DER99677 D DE R99677D DE R0099677 D DER0099677 D DE R0099677D DE 734154 C DE734154 C DE 734154C
Authority
DE
Germany
Prior art keywords
shaft
rubber
fabric
manufacture
boots
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.)
Expired
Application number
DER99677D
Other languages
German (de)
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.)
Romika KG Lemm and Co
Original Assignee
Romika KG Lemm and Co
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 Romika KG Lemm and Co filed Critical Romika KG Lemm and Co
Priority to DER99677D priority Critical patent/DE734154C/en
Application granted granted Critical
Publication of DE734154C publication Critical patent/DE734154C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/06Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
    • B29D35/061Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by injection moulding
    • B29D35/062Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by injection moulding using means to bond the moulding material to the preformed uppers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/06Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
    • B29D35/065Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by compression moulding, vulcanising or the like
    • B29D35/067Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by compression moulding, vulcanising or the like using means to bond the moulding material to the preformed uppers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00Use of unspecified rubbers as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

Verfahren zum Herstellen von Schaftstiefeln aus Kautschuk und Gewebezuschnitten Beim Herstellen von Gummischaftstiefeln zeigt bekanntlich der Schaft das Bestreben. sich auf dem Leisten zusammenzuziehen und dadurch Falten zu bilden. Man hat versucht. dies dadurch zu beheben. daß man mit verschiedenen Vorrichtungen den Schaft. den man über das am fertigen Schuh erwünschte Maß hinaus verlängert während der Vulkanisation straff gespannt hält. ls solche Vorrichtung werden z. B. gummierte Stoffbänder o. dgl. verwandt. die am Schaft befestigt und nach straftem Anziehen des Schaftes kreuzweise über den Leistenschaft gespannt werden.Process for the manufacture of shaft boots from rubber and cut fabric When manufacturing rubber shaft boots, it is known that the shaft shows the tendency. to contract on the groin and thereby form folds. One tried. to fix this. that you can use various devices to cut the shaft. the one extends beyond what is desired in the finished shoe during vulcanization keeps taut. Such a device are e.g. B. rubberized fabric straps o. related. which is attached to the shaft and after tightening the shaft crosswise be stretched over the groin.

Nach der Vulkanisation werden alsdann diese Scbaftbänder und der obere Rand des Schaftes bis aud die gewünschte Schafthöhe abgeschnitten.After vulcanization, these straps and the upper one are then made Edge of the shaft cut off to the desired shaft height.

Dieses Verfahren hat den Nachteil eines immerhin beachtlichen Werkstoffverlustes, eines besonders zeitraubenden Arbeitsganges sowie des schlechteren Aussehens des fertigen Schuhes. da man beim Tragen des Stiefels immer die Schnittfläche des meist hellen Futterstoffes sieht. Hinzu kommt. daß der lose Stoftrand nach einigem Tragen leicht ausfasert und daß das Eindringen von nasser durch die Saugfähigkeit des Futterstoffes an dieser Schnittstelle ermöglicht wird. This method has the disadvantage of a considerable loss of material, a particularly time-consuming process and the poorer appearance of the finished shoe. because when wearing the boot you always use the cut surface of the mostly light colored lining. Come in addition. that the loose edge of the fabric after some wear Fibers easily and that the penetration of wet by the absorbency of the lining material is made possible at this interface.

Bei der Herstellung von ungefütterten Gasschutzstiefeln wird bereits eine Gummierung der ganzen Innenfläche der Stiefel und insbesondere der Schäfte vorgenommen. wodurch das Abgleiten des Schaftes auf dem Leisten mid damit die Faltenbildung verhindert wird. In the production of unlined gas protective boots, a rubber coating of the entire inner surface of the boots and in particular of the shafts performed. whereby the sliding of the shaft on the last and thus the formation of wrinkles is prevented.

Hier ist es also nicht erforderlich, besondere Vorkehrungen gegen die Faltenbildung zu treffen, weil dieser Nachteil hier nicht auftritt. zum Unterschied von gefütterten Schaftstiefeln. wie sie der Erfindung zugrunde liegen.So here it is not necessary to take any special precautions to meet the wrinkling, because this disadvantage does not occur here. the difference of lined shaft boots. as they are based on the invention.

Diese vermeidet nun die besagten Nachteile dadurch. daß ein schmaler, unvulkanisierter Ring aus Kautschukmischung, lösung o. dgl auf die dem Leisten zugekehrte obere Kante des auf die gewünschte Schafthöhe zugeschnittenen Innenfutters vor dem Aufziebeji des Stiefelrohlings über den Leistenschaft auf gebracht wird. Dieser Ring verhindert das Abgleiten des Schaftes auf dem Leisten ohne Anwendung der sonst üblichen Spannbänder. This now avoids the disadvantages mentioned. that a narrow, unvulcanized ring made of rubber mixture, solution or the like on the one facing the last upper edge of the inner lining cut to the desired shaft height in front of the Aufziebeji of the boot blank is brought on over the shoe socket. This Ring prevents the shaft from slipping on the last without using the otherwise usual straps.

Der Schaft selbst wird nicht mehr. wie bisher, über das am fertigen Schuh gewünschte Maß hinaus länger gehalten, sondern gleich auf die gewünschte Höhe zugeschnitten und stramm um den Leisten gelegt. wobei der Ring fest an den Leisten anklebt bzw. durch die dem unvulkanisierten Gummi gegebene Adhäsion anhaftet und das nachträgliche Zusammenziehen des Schaftes und die Faltenbildung verhindert. Der Schutzring vermindert des weiteren die Gefahr des Wassereindringens und gibt dem Schuh ein schöneres Aussehen.The shaft itself is no longer. as before, about the finished Shoe desired size kept longer, but right at the desired height cut and placed tightly around the last. with the ring firmly attached to the ledges sticks or adheres through the adhesion given to the unvulcanized rubber and prevents subsequent contraction of the shaft and the formation of wrinkles. The protective ring also reduces the risk of water penetration and gives the shoe looks nicer.

Claims (1)

In der Zeichnung ist L der Leisten. k die obere Stoffkante des Schaftes. c der Schutzring P A T E N T A N S P R U C H : Verfahren zum Herstellen von mit sichtbar frei liegendem, ungummiertem Stoff gefütterten Schaftstiefeln aus Kauts@huk und Gewebezuschnitten, die auf einem Leisten angebracht und vulkanisiert werden dadurch gekennzeichnet. daß ein schmaler, unvulkanisierter Ring aus Kautschukmischung, lösung o. dgl. auf die dem Leisten zugekehrte obere Kante des auf die gewünschte Schafthöhe zugeschnittenen Innenfutters vor dem Aufziehen des Stiefelrohlings über den Leistenschaft aufgebracht wird. In the drawing, L is the ledge. k the upper fabric edge of the shaft. c the guard ring P A T E N T A N S P R U C H: method of making with Visibly exposed, ungummed fabric-lined shaft boots made of Kauts @ huk and fabric blanks that are attached to a last and vulcanized characterized. that a narrow, unvulcanized ring made of rubber compound, solution or the like on the upper edge of the strip facing the desired Shaft height cut inner lining before putting on the boot blank the groin socket is applied.
DER99677D 1937-06-24 1937-06-24 Process for the manufacture of shaft boots from rubber and cut fabric Expired DE734154C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER99677D DE734154C (en) 1937-06-24 1937-06-24 Process for the manufacture of shaft boots from rubber and cut fabric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER99677D DE734154C (en) 1937-06-24 1937-06-24 Process for the manufacture of shaft boots from rubber and cut fabric

Publications (1)

Publication Number Publication Date
DE734154C true DE734154C (en) 1943-04-09

Family

ID=7420217

Family Applications (1)

Application Number Title Priority Date Filing Date
DER99677D Expired DE734154C (en) 1937-06-24 1937-06-24 Process for the manufacture of shaft boots from rubber and cut fabric

Country Status (1)

Country Link
DE (1) DE734154C (en)

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