CA1122506A - Methode et dispositif de deposition par soufflage d'une couche d'urethane alveolaire sur le dossier d'une moquette - Google Patents

Methode et dispositif de deposition par soufflage d'une couche d'urethane alveolaire sur le dossier d'une moquette

Info

Publication number
CA1122506A
CA1122506A CA296,102A CA296102A CA1122506A CA 1122506 A CA1122506 A CA 1122506A CA 296102 A CA296102 A CA 296102A CA 1122506 A CA1122506 A CA 1122506A
Authority
CA
Canada
Prior art keywords
mixture
carpet
urethane
layer
conveyor belt
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
CA296,102A
Other languages
English (en)
Inventor
John G. Tillotson
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
Priority claimed from US05/782,636 external-priority patent/US4171395A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1122506A publication Critical patent/CA1122506A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Carpets (AREA)
CA296,102A 1977-03-30 1978-01-31 Methode et dispositif de deposition par soufflage d'une couche d'urethane alveolaire sur le dossier d'une moquette Expired CA1122506A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US782,636 1977-03-30
US05/782,636 US4171395A (en) 1977-03-30 1977-03-30 Method and apparatus for forming a layer of foam urethane on a carpet backing and product
US05/872,341 US4132817A (en) 1977-03-30 1978-01-25 Method for forming a layer of blown cellular urethane on a carpet backing
US872,341 1978-01-25

Publications (1)

Publication Number Publication Date
CA1122506A true CA1122506A (fr) 1982-04-27

Family

ID=27120025

Family Applications (1)

Application Number Title Priority Date Filing Date
CA296,102A Expired CA1122506A (fr) 1977-03-30 1978-01-31 Methode et dispositif de deposition par soufflage d'une couche d'urethane alveolaire sur le dossier d'une moquette

Country Status (1)

Country Link
CA (1) CA1122506A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry