Check out these mould manufacturers in china pictures:
Image from page 166 of “The manufacture of rubber goods : a sensible handbook for the use of manufacturers, chemists, and other individuals” (1919)
Image by World wide web Archive Book Photos
Title: The manufacture of rubber goods : a practical handbook for the use of manufacturers, chemists, and others
Year: 1919 (1910s)
Authors: Heil, Adolf Esch, W. (Werner), b. 1878 Lewis, Edward W. (Edward Watkin)
Subjects: Rubber Rubber business and trade
Publisher: London : C. Griffin & Company
Contributing Library: Claire T. Carney Library, University of Massachusetts Dartmouth
Digitizing Sponsor: Claire T. Carney Library, University of Massachusetts Dartmouth
Click here to view book online to see this illustration in context in a browseable on-line version of this book.
Text Appearing Just before Image:
ulcanised in French chalk, and subsequently reduce to the 1 See also the article , Kombinierte hydraulische Kesselpresse Id theGummi-Zeitung, 1905, vol. xix. p. 1001. MANUFACTURE OF SOFT-RUBBER ARTICLES. 155 appropriate size by signifies of an eccentric punch, holes being at thesame time punched in them. The matrix which holds the knifeand the punch can be adjusted to take all sizes. One particular man canpunch on an average 8000 flat pedals in a day. Curved brake-rubbers with a hard-rubber inner layer are run on the machine inthe two various qualities, joined with each other by signifies of resolution,reduce up into pieces of the appropriate size, and vulcanised in Frenchchalk. The curved surface is buffed into shape on the lathe, bymeans of a shaped emery-wheel. Complicated rubbers must bemade up and vulcanised in moulds. Strong bicycle-tyres are run on the tube machine and then vulcan-ised in moulds (fig. 70) under the hydraulic vulcanising press, endlesstyres becoming made in appropriate closed moulds, as also are cushion tyres.
Text Appearing Soon after Image:
Fig. 70. Perambulator tyres are also machined, and are then joined up andvulcanised in chalk in the open, or in moulds under the press. 9. Manufacture of Soft-Rubber Surgical Goods, and so forth.—The manu-facture of air-cushions, water-cushions, mattresses, hot-water bottles,and also of gas-bags, constitutes one more department of the business,to which it is now proposed to direct the readers interest. The three chief elements for success in this branch are: (1) clean,dense mixings, free of charge from grit (2) calendered sheet of uniformthickness, and fabric closely proofed (three) cautious hand labour. The mixings in most frequent use are white ones. For cushions, e.g., the following mixings could be recommended:— Mozambique . ten,000 gras. China-clay three,500 gms Sulphur . 1,200 „ Ceresin . 200 „ Zinc white . . 6,500 ,, Magnesia usta. 200 „ The mixing is in part run into lengths of doubled sheet on thecalenders, and produced up into cushions with cloth-impression and in 156 RUBBER MANUFACTURE. part created
Note About Photos
Please note that these photos are extracted from scanned page pictures that may possibly have been digitally enhanced for readability – coloration and appearance of these illustrations could not perfectly resemble the original perform.