GB1370428A - Moulding method and apparatus - Google Patents

Moulding method and apparatus

Info

Publication number
GB1370428A
GB1370428A GB2414573A GB2414573A GB1370428A GB 1370428 A GB1370428 A GB 1370428A GB 2414573 A GB2414573 A GB 2414573A GB 2414573 A GB2414573 A GB 2414573A GB 1370428 A GB1370428 A GB 1370428A
Authority
GB
United Kingdom
Prior art keywords
gear
insert
pulley
rim
thickness
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
GB2414573A
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.)
DAVALL GEAR CO Ltd
Original Assignee
DAVALL GEAR CO Ltd
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 DAVALL GEAR CO Ltd filed Critical DAVALL GEAR CO Ltd
Priority to GB2414573A priority Critical patent/GB1370428A/en
Publication of GB1370428A publication Critical patent/GB1370428A/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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0078—Measures or configurations for obtaining anchoring effects in the contact areas between layers
    • B29C37/0082—Mechanical anchoring
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Gears, Cams (AREA)

Abstract

1370428 Moulding gear-wheels DAVALL GEAR CO Ltd 4 Nov 1971 [1 Oct 1970] 24145/73 Divided out of 1370427 Heading B5A [Also in Division F2] A gear-wheel, not shown, or pulley, Fig. 2, comprises an insert 1 embedded in an injection moulded plastics rim 2 comprising inner and outer portions 13, 12 connected by a web 16 having a thickness in the axial direction equal to the radial thickness of the portions 13, 12. The pulley comprises two nylon or acetyl parts 2, 3 welded together and having teeth 4 to engage a toothed belt. The insert 1 is a metal sleeve having a threaded hole 7 for a grub screw and may be knurled or splined for keying to the rim 2. Specification 1,370,427 is referred to.
GB2414573A 1971-11-04 1971-11-04 Moulding method and apparatus Expired GB1370428A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2414573A GB1370428A (en) 1971-11-04 1971-11-04 Moulding method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2414573A GB1370428A (en) 1971-11-04 1971-11-04 Moulding method and apparatus

Publications (1)

Publication Number Publication Date
GB1370428A true GB1370428A (en) 1974-10-16

Family

ID=10207113

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2414573A Expired GB1370428A (en) 1971-11-04 1971-11-04 Moulding method and apparatus

Country Status (1)

Country Link
GB (1) GB1370428A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168452A (en) * 1984-12-15 1986-06-18 Schaeffler Waelzlager Kg Tubular member composed of a polymeric material
EP0203236A1 (en) * 1985-05-06 1986-12-03 The Laitram Corporation Castellated sheave, mould and process for manufacturing
WO2004022290A1 (en) * 2002-09-06 2004-03-18 Bettcher Industries, Inc. Low-cost ring blade for rotary knives

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168452A (en) * 1984-12-15 1986-06-18 Schaeffler Waelzlager Kg Tubular member composed of a polymeric material
EP0203236A1 (en) * 1985-05-06 1986-12-03 The Laitram Corporation Castellated sheave, mould and process for manufacturing
WO2004022290A1 (en) * 2002-09-06 2004-03-18 Bettcher Industries, Inc. Low-cost ring blade for rotary knives

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee