GB921414A - Improvements in or relating to the coating of elongated elements and apparatus therefor - Google Patents

Improvements in or relating to the coating of elongated elements and apparatus therefor

Info

Publication number
GB921414A
GB921414A GB8792/58A GB879258A GB921414A GB 921414 A GB921414 A GB 921414A GB 8792/58 A GB8792/58 A GB 8792/58A GB 879258 A GB879258 A GB 879258A GB 921414 A GB921414 A GB 921414A
Authority
GB
United Kingdom
Prior art keywords
chamber
plastics material
coating
die
screw
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
GB8792/58A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8792/58A priority Critical patent/GB921414A/en
Publication of GB921414A publication Critical patent/GB921414A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Coating Apparatus (AREA)

Abstract

921,414. Coating elongated core elements with plastics material. A. M. ANDERSON. June 17, 1959 [March, 19, 1958], No. 8792/58. Class 87(2). Elongated core elements, e.g. wire, strip, filaments and threads, whether of single or multistrands, twisted strands or of close helical coil formation are coated by passing them vertically in a taut condition at a predetermined linear speed axially through a pressure coating chamber 5, a die 7 and a heated chamber 13, all in vertical alignment, and applying pressure to plastics material in the chamber 5 which converges toward the die inlet, whereby a sheath coating is compressed about the element. In the embodiment illustrated, the chamber 5 contains a hollow screw 11 through which the element E to be coated passes, the element being kept taut by passing it between pairs of rollers at each end of the apparatus. Spring loading may be used on one roller of one or both pairs to allow some slip on the element E which may thus pass through the apparatus in a taut condition without undue tension being applied to it. The screw 11 may terminate in a small mandrel 20 from which the element E passes to become exposed to the pressurised plastic material in the tapered end portion of the chamber 5 before entering the die 7. The supply container 2 contains plastics material 3 which is forced under pressure by the spring-loaded plunger 8 into the horizontal duct 4 where it is fed by a screw 10 into the chamber 5. The plastics material 3 may be a dispersion of polyvinyl chloride resin in a plasticizer and is preferably of high viscosity.
GB8792/58A 1958-03-19 1958-03-19 Improvements in or relating to the coating of elongated elements and apparatus therefor Expired GB921414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8792/58A GB921414A (en) 1958-03-19 1958-03-19 Improvements in or relating to the coating of elongated elements and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8792/58A GB921414A (en) 1958-03-19 1958-03-19 Improvements in or relating to the coating of elongated elements and apparatus therefor

Publications (1)

Publication Number Publication Date
GB921414A true GB921414A (en) 1963-03-20

Family

ID=9859350

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8792/58A Expired GB921414A (en) 1958-03-19 1958-03-19 Improvements in or relating to the coating of elongated elements and apparatus therefor

Country Status (1)

Country Link
GB (1) GB921414A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703154A (en) * 1969-09-15 1972-11-21 Deering Milliken Res Corp Coating apparatus
EP0400281A2 (en) * 1989-05-29 1990-12-05 HERMANN BERSTORFF Maschinenbau GmbH Device for continuously jacketing cylindrical workpieces with elastic material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703154A (en) * 1969-09-15 1972-11-21 Deering Milliken Res Corp Coating apparatus
EP0400281A2 (en) * 1989-05-29 1990-12-05 HERMANN BERSTORFF Maschinenbau GmbH Device for continuously jacketing cylindrical workpieces with elastic material
EP0400281A3 (en) * 1989-05-29 1991-01-30 HERMANN BERSTORFF Maschinenbau GmbH Device for continuously jacketing cylindrical workpieces with elastic material

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