GB381378A - Improvements in and relating to the production of moulded articles from fibre pulp - Google Patents
Improvements in and relating to the production of moulded articles from fibre pulpInfo
- Publication number
- GB381378A GB381378A GB31488/31A GB3148831A GB381378A GB 381378 A GB381378 A GB 381378A GB 31488/31 A GB31488/31 A GB 31488/31A GB 3148831 A GB3148831 A GB 3148831A GB 381378 A GB381378 A GB 381378A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mould
- pulp
- moulding
- valve
- pervious
- 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
Links
- 239000000835 fiber Substances 0.000 title 1
- 238000000465 moulding Methods 0.000 abstract 4
- 238000001035 drying Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J7/00—Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of fibres in or on a wire-net mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
381,378. Moulding pulp. PULP INDUSTRIES, Ltd., 19, New Bridge Street, London. Nov. 13, 1931, No. 31488. Convention date, Nov. 13, 1930. [Class 87 (ii).] To enable machines for making hollow articles from fibrous pulp in pervious moulds by the aid of internal gaseous pressure, to be used for articles of varying size and depth without complications due to unequal drying, the valve for admitting the gaseous fluid is regulatable so that it can be set to open at varying times and at varying speeds according to the size and depth of the article under treatment, and a shield is provided over part of the exterior of the mould to retard the passage of the fluid through the pervious walls. In operation the pulp is admitted initially through the valve c to the mould a while the air valve d is closed, and the latter is opened sooner and quicker when moulding a deep article than when moulding a shallow one, by means of the cam r, s made in two adjustable sections. Other cams with differentlyshaped nose-pieces r<1>, r<2> may be substituted for the section r to vary the speed of opening in addition to regulating the time. The cowl e surrounds the part of the mould which requires less drying in order to retard the passage of the heated air through the pervious walls and such air may be forced to pass over the other parts of the mould through the restricted passages f, h. Perforations i in the cowl may be regulated by dampers to vary the effect of the retardation at will. Specification 318,602, [Class 87 (ii), Moulding plastic &c. substances], is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE381378X | 1930-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB381378A true GB381378A (en) | 1932-10-06 |
Family
ID=6352747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31488/31A Expired GB381378A (en) | 1930-11-13 | 1931-11-13 | Improvements in and relating to the production of moulded articles from fibre pulp |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB381378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5252129A (en) * | 1992-04-28 | 1993-10-12 | Cheng Peter S C | Method of making a paper decoration |
-
1931
- 1931-11-13 GB GB31488/31A patent/GB381378A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5252129A (en) * | 1992-04-28 | 1993-10-12 | Cheng Peter S C | Method of making a paper decoration |
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