GB2051660B - Method of forming sealing gaskets in container closures - Google Patents

Method of forming sealing gaskets in container closures

Info

Publication number
GB2051660B
GB2051660B GB8018885A GB8018885A GB2051660B GB 2051660 B GB2051660 B GB 2051660B GB 8018885 A GB8018885 A GB 8018885A GB 8018885 A GB8018885 A GB 8018885A GB 2051660 B GB2051660 B GB 2051660B
Authority
GB
United Kingdom
Prior art keywords
sealing gaskets
container closures
forming sealing
forming
closures
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
GB8018885A
Other versions
GB2051660A (en
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.)
WR Grace and Co
Original Assignee
WR Grace 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 WR Grace and Co filed Critical WR Grace and Co
Priority to GB8018885A priority Critical patent/GB2051660B/en
Publication of GB2051660A publication Critical patent/GB2051660A/en
Application granted granted Critical
Publication of GB2051660B publication Critical patent/GB2051660B/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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting 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
    • B29C70/78—Moulding material on one side only of the preformed part
    • B29C70/80—Moulding sealing material into closure members
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0855—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using microwave
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0058—Liquid or visquous
    • B29K2105/0061—Gel or sol
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/02—Inorganic compounds
    • C09K2200/0217—Salts
    • C09K2200/023—Sulfur-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/02—Inorganic compounds
    • C09K2200/0239—Oxides, hydroxides, carbonates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/02—Inorganic compounds
    • C09K2200/0243—Silica-rich compounds, e.g. silicates, cement, glass
    • C09K2200/0252—Clays
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09K2200/0617—Polyalkenes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09K2200/0622—Polyvinylalcohols, polyvinylacetates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
    • C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09K2200/0635—Halogen-containing polymers, e.g. PVC

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Closures For Containers (AREA)
GB8018885A 1979-06-11 1980-06-10 Method of forming sealing gaskets in container closures Expired GB2051660B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8018885A GB2051660B (en) 1979-06-11 1980-06-10 Method of forming sealing gaskets in container closures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7920195 1979-06-11
GB8018885A GB2051660B (en) 1979-06-11 1980-06-10 Method of forming sealing gaskets in container closures

Publications (2)

Publication Number Publication Date
GB2051660A GB2051660A (en) 1981-01-21
GB2051660B true GB2051660B (en) 1983-04-27

Family

ID=26271815

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8018885A Expired GB2051660B (en) 1979-06-11 1980-06-10 Method of forming sealing gaskets in container closures

Country Status (1)

Country Link
GB (1) GB2051660B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0497501A1 (en) * 1991-01-31 1992-08-05 W.R. Grace & Co.-Conn. Curing of plastisol material

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA831232B (en) * 1982-03-10 1983-11-30 Grace W R & Co Screw cap
GB8415609D0 (en) * 1984-06-19 1984-07-25 Grace W R & Co Screw caps
BE899998A (en) * 1984-06-22 1984-10-15 Calwag Sa PROCESS FOR TREATING CAPSULES FOR CLOSING CONTAINERS.
GB2161797B (en) * 1984-07-18 1987-08-12 Grace W R & Co Pre-threaded container closure
US4675139A (en) * 1985-10-21 1987-06-23 Continental Can Company, Inc. Method of forming plastisol gaskets in container closures fabricated from synthetic plastic resins
GB8604881D0 (en) * 1986-02-27 1986-04-03 Grace W R & Co Container caps
FR2645161B1 (en) * 1989-03-31 1992-12-31 Atochem COMPOSITE MATERIAL COMPRISING A SUBSTRATE AND A COATING BASED ON A POLYMER COMPOSITION, METHOD FOR MANUFACTURING THIS COMPOSITE MATERIAL
US5234760A (en) * 1989-03-31 1993-08-10 Elf Atochem, S.A. Composite material comprising a substrate and a polymeric based coating and process for the manufacture thereof
US5211929A (en) * 1989-10-06 1993-05-18 Ceca S.A. Process for the thermal activation of zeolites and resultant products
DE19704810A1 (en) * 1997-02-08 1998-08-13 Ppg Industries Inc Sealant and its use for the manufacture of pressure-tight containers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0497501A1 (en) * 1991-01-31 1992-08-05 W.R. Grace & Co.-Conn. Curing of plastisol material

Also Published As

Publication number Publication date
GB2051660A (en) 1981-01-21

Similar Documents

Publication Publication Date Title
JPS55143229A (en) Sealing method of closed container
ZA803426B (en) Method of forming sealing gaskets in container closures
JPS53111882A (en) Container having side sealing closer and method of forming seal
EP0031673A3 (en) Method of obtaining a seal upon the interior surface of a container closure and resulting product
GB2032339B (en) Apparatus for forming and fitting cap seals to containers
JPS5564044A (en) Method of making packing container* and packing container
PH16507A (en) Packing seals and method of making
DE3473137D1 (en) Methods for forming sealing gaskets for containers
NZ196187A (en) Sealing composition for container closures
IL57892A (en) Framgible closure for containers and utilization method
GB2051660B (en) Method of forming sealing gaskets in container closures
ZA777445B (en) Method of forming platisol gaskets in container closures fabricated from polyolefin resins
JPS55150256A (en) Method of sealing element with container
GB2046719B (en) Sealing bung for container closures
GB2042373B (en) Applying gaskets to container closure members
JPS5519894A (en) Metallic sealing cover for container and method of manufacturing same
JPS55116560A (en) Method of sealing plastic bottle lid
GB2025380B (en) Seals between containers and closures therefor
JPS54135091A (en) Method of sealing up plastic container* and sealeddup container
JPS55163102A (en) Method of sealing up opening of container
GB2071565B (en) Methods and machines for applying and sealing diaphragm closures to the mouths of containers
JPS564505A (en) Method of and apparatus for sealing food into pack containers
PH19303A (en) Process and apparatus for forming sealing gaskets in container closures
JPS5613325A (en) Method of sealing up container
JPS5529411A (en) Method of sealing container

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950610